I : Choose the best answer among A,B,C or D. 1: She ................ a letter when the telephone rang. A. writes B. wrot C. has written D. was writing 2: William suggested...

I : Choose the best answer among A,B,C or D. 1: She ................ a letter when the telephone rang. A. writes B. wrot C. has written D. was writing 2: William suggested . ........................ at home for a change. A. staying B. to stay C. stay D. stayed 3: This book is different ................ the one i had. A. with B. to C. from D. at II : Complete each space with an appropriate word . were century problem children was people Population growth is a serious (1) ....................problem..... around the world. At the beginning ò the 20th (2)............century............., there were about 1.5 billion people in the world. In 1984 the worlk population (3) ...................were.... 4.8 billion people. By the year 2000, It will be about 6.1 billion. This growth in population is not happening everywhere. For example in Europe the population is not growing at all. Families in these countries are smaller now. Only about 2.1 (4) ........billion............ are born for every woman .Câu trả lời: I : Choose the best answer among A,B,C or D. 1: She ................ a letter when the telephone rang. A. writes B. wrot C. has written D. was writing 2: William suggested . ........................ at home for a change. A. staying B. to stay C. stay D. stayed 3: This book is different ................ the one i had. A. with B. to C. from D. at II : Complete each space with an appropriate word . were century problem children was people Population growth is a serious (1) ....................problem..... around the world. At the beginning ò the 20th (2)............century............., there were about 1.5 billion people in the world. In 1984 the worlk population (3) ...................were.... 4.8 billion people. By the year 2000, It will be about 6.1 billion. This growth in population is not happening everywhere. For example in Europe the population is not growing at all. Families in these countries are smaller now. Only about 2.1 (4) ........billion............ are born for every woman .

1.She was writing a letter when the telephone rang. 2.William suggestes staying at home for a change. 3.This book is different from the one i had 1.Population growth is a serious problem around the world.At the beginning of the 20th century,there were about 1.5 billion people in the world.In 1984 the world population were 4.8 billion people.By the year 2000,it will be about 6.1 billion.This growth in population is not happening is not growing at all.Families in these countries are smaller now.Only about 2.1 children are born for every woman. (Theo suy nghĩ của mình là v)Câu trả lời: 1.She was writing a letter when the telephone rang. 2.William suggestes staying at home for a change. 3.This book is different from the one i had 1.Population growth is a serious problem around the world.At the beginning of the 20th century,there were about 1.5 billion people in the world.In 1984 the world population were 4.8 billion people.By the year 2000,it will be about 6.1 billion.This growth in population is not happening is not growing at all.Families in these countries are smaller now.Only about 2.1 children are born for every woman. (Theo suy nghĩ của mình là v)

I : Choose the best answer among A,B,C or D. 1: She ................ a letter when the telephone rang. A. writes...

Hãy tham gia nhóm Học sinh Hoc24OLM

PD

Phạm Ngọc Diễm

11 tháng 7 2017 lúc 9:39

The worlds population passed five-billion mark in 1987 and it is increasing (1)________ about 1.7% a year. At this rate of growth, the number of people in the world will (2)_________ every 41 years. This rapid increase has been called the (3)_________ explosion. No one knows how many people the Earth can (4)________ Many scientists belive that the world will soon become (5)_________, that is, it will have more people than it can support 1 A. of B. by C. to...

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The world's population passed five-billion mark in 1987 and it is increasing (1)________ about 1.7% a year. At this rate of growth, the number of people in the world will (2)_________ every 41 years. This rapid increase has been called the (3)_________ explosion. No one knows how many people the Earth can (4)________ Many scientists belive that the world will soon become (5)_________, that is, it will have more people than it can support

1 A. of B. by C. to D.in

2 A. doubled B. to double C. doubling D. double

3 A. pollution B. polluted C. populated D. population

4 A. supports B. support C. supporting D. be suppported

5 A. overpopulated B. polluted C. populated D. overpopulation

Mong mấy bn giúp mk vs mk đang cần gấp mk sẽ tick cho ai tl cảm ơn các bn trước

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Lớp 8 Tiếng anh Luyện tập tổng hợp

H24

Pikachu

14 tháng 1 2018 lúc 22:47

VII. Fill in each numbered space with ONE appropriate word. Write your answer in the numbered space given. (10pts) “I love you” On 3rd May 2000, millions of people around the world were (1) ______ an e-mail called “I love you”. The e-mail included a document called “Love letter for you”. When people opened this document, a (2) ______ destroyed hundreds of vital documents on their computer. The virus then sent a (3) ______ of itself to everybody in the e-mail address book. The virus infec...

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VII. Fill in each numbered space with ONE appropriate word. Write your answer in the numbered space given. (10pts)

“I love you”

On 3^rd May 2000, millions of people around the world were (1) ______ an e-mail called “I love you”. The e-mail included a document called “Love letter for you”. When people opened this document, a (2) ______ destroyed hundreds of vital documents on their computer. The virus then sent a (3) ______ of itself to everybody in the e-mail address book. The virus infected millions of computer systems across the world. Even computers in the White House in the USA were affected by the crash. The virus eventually caused about 10 billion dollars of (4) ______ .

The person (5) ______ created the virus was probably a brilliant 23-year-old computer student from the Philippines (6) ______ Onel de Guzman. He has never admitted his guilt, but detectives know that the virus came from his computer. Onel de Guzman was not charged with any crime because in May 2000 the Philippines did not have any laws (7) ______ computer crime.

Onel de Guzman did not finish his studies at computer school. He now lives with his sister and (8) ______ his time watching TV programs he likes, reading books about computers and playing video games. (9) ______ the future, he wants to write more software- but this time, only games for mobile phones and hand-held (10) ______. Governments and companies around the world will surely be delighted!

VII. Fill in each numbered space with ONE appropriate word. Write your answer in the numbered space given. (10pts)

“I love you”

On 3^rd May 2000, millions of people around the world were (1) ______ an e-mail called “I love you”. The e-mail included a document called “Love letter for you”. When people opened this document, a (2) ______ destroyed hundreds of vital documents on their computer. The virus then sent a (3) ______ of itself to everybody in the e-mail address book. The virus infected millions of computer systems across the world. Even computers in the White House in the USA were affected by the crash. The virus eventually caused about 10 billion dollars of (4) ______ .

The person (5) ______ created the virus was probably a brilliant 23-year-old computer student from the Philippines (6) ______ Onel de Guzman. He has never admitted his guilt, but detectives know that the virus came from his computer. Onel de Guzman was not charged with any crime because in May 2000 the Philippines did not have any laws (7) ______ computer crime.

Onel de Guzman did not finish his studies at computer school. He now lives with his sister and (8) ______ his time watching TV programs he likes, reading books about computers and playing video games. (9) ______ the future, he wants to write more software- but this time, only games for mobile phones and hand-held (10) ______. Governments and companies around the world will surely be delighted!

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Lớp 8 Tiếng anh Luyện tập tổng hợp

H24

Minuly

28 tháng 12 2020 lúc 23:23

READ THE PASSAGE BELOW AND CHOOSE THE BEST ANSWER (A, B, C, D) FOR EACH QUESTION: Prague has the population of over one million people. It is not the biggest city in Europe, but it is cartainly one of the most beautiful. People call Pargue the Golden City and the Mother of City because is has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15th century clock. People also call Prague Europes School of Music. There are many concert halls an...

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READ THE PASSAGE BELOW AND CHOOSE THE BEST ANSWER (A, B, C, D) FOR EACH QUESTION: Prague has the population of over one million people. It is not the biggest city in Europe, but it is cartainly one of the most beautiful. People call Pargue the " Golden City" and the "Mother of City" because is has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15th century clock. People also call Prague "Europe's School of Music". There are many concert halls and every May there is a famous music festival: "Prague Spring". There are also twenty theaters and many old pubs, wine bar and restaurants. There is now a modern underground, but traffic is still a problem. It is often better to walk and feel the atmosphere of the pretty little streets. 1. The population of Prague is.............................................. A. over one million people B. one million people C. only to million people D. less than one million people 2. Prague is one of the most beautiful city in................................... A. Asia B. Europe C. Africa D. America 3. Which building in Prague has 15th century clock? A. The Golden City B. The Mother of City C. The Old Town Hall D. Europe's School of Music 4. The famous music festival: "Prague Spring" is held.......................................... A. every year B. on June C. every May D. every July

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Lớp 8 Tiếng anh Luyện tập tổng hợp

TD

THANH PHẠM DUY

23 tháng 11 2017 lúc 18:27

Làm và có dịch nghĩa, giải thích___Help me!!!___________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructi...

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Làm và có dịch nghĩa, giải thích___Help me!!!___________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions. People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings. Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese. Câu 11. People communicate with each other using ____. A. books B. words C. instructions D. information Câu 12. A later form of writing used symbols to represent ____. A. words B. sounds C. pictures D. meanings Câu 13. What is the most suitable title for this article? A. listening and speaking B. writing and reading C. words and writing D. alphabets and their meaning Câu 14. The first kind of writing used simple ____. A. objects B. people C. pictures D. animals Câu 15. An alphabet is a set of letters that represent the different sounds of a ____. A. letter B. language C. word D. symbol

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Lớp 8 Tiếng anh Luyện tập tổng hợp

AT

Ánh Trương

25 tháng 7 2018 lúc 11:34

II. Choose the right answer for following sentences. (2ms) 1. He ____________ in this town since 1987. a. lives b. has lived c. have lived d. is living 2. Airmail is more expensive than ____________ a. post-office b. surface mail c. resident d. century 3. Last night, I watched the Romeo and Juliet. At last they killed ____________ a. themselves b. herself c. himself d. ourselves 4. Your son isn`t tall ____________ to be a good basketball player. a. too b. very c. so d. enough 5. Someone ______...

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II. Choose the right answer for following sentences. (2ms)
1. He ____________ in this town since 1987.
a. lives b. has lived c. have lived d. is living
2. Airmail is more expensive than ____________
a. post-office b. surface mail c. resident d. century
3. Last night, I watched the Romeo and Juliet. At last they killed ____________
a. themselves b. herself c. himself d. ourselves
4. Your son isn`t tall ____________ to be a good basketball player.
a. too b. very c. so d. enough
5. Someone ____________ tickets were free.
a. said me b. said me that c. told me d. told to me
6. When she lived in the countryside, she ____________ in the river.
a. was swimming b. used to swim c. has swim d. is used to swimming
7. The manager asked me ____________ for him outside his office.
a. wait b. waiting c. to wait d. waited
8. London is ____________ capital city in Europe.
a. large b. the largest c. large d. most large
III. Read the following passage then answer the questions. (2ms)
Every year people in many countries learn English. Some of them are young children. Others are teenagers. Many are adults. Some learn at school. Others study by themselves. A few learn English just by hearing the language in films, on television, in the office or among their friends. Most people must work hard to learn English.
Why do all these people learn English? It`s not difficult to answer this question. Many boys and girls learn English at school because it is one of their subjects. Many adults learn English because it is useful for their work. Teenagers often learn English for their higher studies because some of their books are in English at the college or university. Other people learn English because they want to read newspapers or magazines in English.
1. Do people in many countries learn English every year?

2. Where do many boys and girls learn English?

3. Why do adults learn English?

4. How do you learn English every day?

IV. Arrange the following words to make complete sentences (1m)
1. how / your / has / lived / long / aunt / here?

2. your / room / mine / different / is / from.

3. Mai`s house / our house / as / as / is / big.

4. concerned / the new mall / for / / about / we`ve / ages.

V. Rewrite the sentences with the same meaning. (2m)
1. The last time I saw him was in 1985.
I haven`t
2. Am said to Ha, “You should practice English everyday.”
Am said
3. She said to her son, “Go straight upstairs and get into bed.”
She asked her son
4. He is too young to go to school alone.
He is not

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Lớp 8 Tiếng anh Luyện tập tổng hợp

NC

Ngọc Châu

22 tháng 4 2020 lúc 15:56

Choose A, B, C, D for each gap in the following sentences. 1. Air_________, together with littering, is causing many problems in our cities today. A. pollute B. pollution C. polluting D. polluted 2. The road in front of my office is always __________ when it rains heavily. A. to flood B. flooding C. flood D. flooded 3. Singapore is famous for its __________ and green trees. A. cleanliness B. cleanly C. cleaning D. clean 4. In some English speaking countries, turkey and pudding are ____ food at C...

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Choose A, B, C, D for each gap in the following sentences.
1. Air_________, together with littering, is causing many problems in our cities today.
A. pollute B. pollution C. polluting D. polluted
2. The road in front of my office is always __________ when it rains heavily.
A. to flood B. flooding C. flood D. flooded
3. Singapore is famous for its __________ and green trees.
A. cleanliness B. cleanly C. cleaning D. clean
4. In some English speaking countries, turkey and pudding are ____ food at Christmas.
A. national B. historical C. traditional D. possible
5. The USA has a population of 304 million, and it’s the third_________ country in the
world.
A. smallest B. largest C. narrowest D. highest
6. The roof of the building _____________ in a storm a few days ago.

A. damaged B. was damaged C. has damaged D. has been damaged
7. A severe tropical___________ is called a typhoon.
A. drought B. rain C. flood D. storm
8. As soon as the floodwater ___________ down, people ____________ their houses.
A. went - cleaned B. had gone – cleaned C. went - had cleaned D. had
gone – had cleaned
9. If I were you, I … do something to prevent him from littering.
A. would B. did C. will D. do
10.Earth … by the gravity of the Sun and orbits around it.
A. holds B. is held C. is holding D. held

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Lớp 8 Tiếng anh Luyện tập tổng hợp

TD

THANH PHẠM DUY

25 tháng 11 2017 lúc 16:42

Làm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instruction...

Đọc tiếp

Làm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbol

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Lớp 8 Tiếng anh Luyện tập tổng hợp

NN

Nguyễn Thị Yến Như

12 tháng 12 2016 lúc 21:38

Read the passage below and choose the best answer (A, B, C, D ) for each question: Prague has the population of over one million people. It is not the biggest city in Europe, but it is certainly one of the most beautiful. People call Prague the “ Golden City” and the “Mother of City” because it has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15th century clock. People also call Prague “Europe’s School of Music” . There are m...

Đọc tiếp

Read the passage below and choose the best answer (A, B, C, D ) for each question:

Prague has the population of over one million people. It is not the biggest city in Europe, but it is certainly one of the most beautiful. People call Prague the “ Golden City” and the “Mother of City” because it has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15^th century clock. People also call Prague “Europe’s School of Music” . There are many concert halls and every May there is a famous music festival: ”Prague Spring” ,There are also twenty theaters and many old pubs, wine bar and restaurants. There is now a modern underground, but traffic is still a problem. It is often better to walk and feel the atmosphere of the pretty little streets.

1. The population of Prague is ………………………………….

A. over one million people B. one million people

C. only two million people D. less than one million people

2 Prague is one of the most beautiful city in……………………………………..

A. Asia B. Europe C. Africa D. America

3. Which building in Prague has 15^th century clock?

A. The Golden City B. The Mother of City C. The Old Town Hall D. Europe’s School of Music

4.The famous music festival: “Prague Spring” is held ……………………………

A. every year B. on June C. every May D. every July

GIÚP MK VỚI

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Lớp 8 Tiếng anh Luyện tập tổng hợp

H24

Duzaconla

3 tháng 7 2019 lúc 11:11

chosse the word or phrase(a,b,c or d) that best fits the blank space in each sentence 6. do you belive.............flying saucers ? a. with b. in c. about d. of 8. he passed his final exam ..............ease. a. with b. in c. at d. on 9. i was delighted .....................the present you gave me a. about b. to c. with d. of 10.the accident was my fault, so i had to pay for the damage..............the ot...

Đọc tiếp

chosse the word or phrase(a,b,c or d) that best fits the blank space in each sentence

6. do you belive.............flying saucers ?

a. with b. in c. about d. of

8. he passed his final exam ..............ease.

a. with b. in c. at d. on

9. i was delighted .....................the present you gave me

a. about b. to c. with d. of

10.the accident was my fault, so i had to pay for the damage..............the other car.

a. of b. for c. to d. on

11. we arranged to meet at 7.30 , but she never turned......................

a. out b. up c. down d. on

12. not wanting to be latr for mu first class, ........................to school after i missed my bus.

a, so i ran b. because i ran c. i ran d. therefore, i ran

14. if i had ................., i'd visit USA, stopping at all the interesting places.

a. a long enough holiday b. an enough long holiday

c. a holiday enough long d. a long holiday enough

15. ....................... of the newspapers in the world are written in english

a. three quarter b. three fourths c. three fourth d. third four

17. james has two brothers. one is a doctor,................is an engineer.

a. another b. the other c. other d. other one

18. she had to do the household chores by herself,...............?

a. didn't she b. hadn't she c. wasn't she d. doesn't she

19. she....................this new word in the dictionary to make sure that she could pronounce it correctly

a. looked for b. looked up c. looked after d. looked over

20. the stories of washington made him ....................in the history of ameirca

a. interest b. interesting c. interested d. be interested

21. the farmers were sure that they ,,,,,,,,,,,,,,,another good harvest the next year.

a. had b. will have c. would have

22. what................. to the forest of the U.S in the last 350 years ?

a. is happening b. is happened c. has happened d. was happened

23. george showed me some pictures.................by his father

a. painting b. painted c. they were painted d. that painted

24. i used to enjoy the summer................ we had a big family picnic

a. where b. when c. which d. that

25. it's high time we.................. him like a child

a. stop treating b. stop to treat c. stopped treating d. stopped to treat

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Lớp 8 Tiếng anh Luyện tập tổng hợp

Luyện tập tổng hợp

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)

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Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)