Exercise 22: Fill in the blanks with the correct of To Be 

  Điền vào chỗ trống dang đúng của động từ To Be (am/is/are/was/were)

1. I_____a student now 

2. She_____not our teacher.

3. The homework _____very difficult yesterday

4. The children _____in the park five minutes ago

5. Nha Trang_____ a beautiful place

6. I_____late for school yesterday 

7. Where _____she  yesterday ? – She_____ at home 

8.We_____tired today. We_____at the party last night. 

9. She _____unhappy because she doesn't have any friends in the city 

10. _____you at home yesterday morning ?

Exercise 23: Complete  sentences , using the simple past form of the given verbs        (Hoàn tất câu, dùng dạng quá khứ đơn của các động từ đã cho )

cut fit buy decide learn watch make wear

1. Hoa. _____ how to use a sewing machine

2. She _____ some material and _____ a cushion for her armchair

3. Hoa's aunt _____ Hoa’s hair short

4. She _____ all her own clothes

5. He _____ to tell her the truth

6. I _____ an exciting football match on TV last night

7. Linda _____ a long dress to the party

8. The  uniform _____her very well

|x-3| + |y-2x | =0
|x| + 3|2x -x ² | =0
|5x ² -5 | + 4|y-7 | =0
||x +1 | + |y-5 |=0
|x ² -1| + |y-1| =0
|x-1 | +|x ²-x |=0

Em hãy kể lại những hoạt động đó để góp phần tuyên truyền tới mọi người xung quanh về ý thức phòng chống dịch bệnh trong giai đoạn hiện nay . NHƠ PHẢI DÀI 2 TRANG RƯỠI NHÉ

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Read the following passage and choose the option (A,B,C or D) that answers each of the questions below One of the most obvious negative aspects of social networking is losing Face -to-face contact with other people.Teens are sitting around with their hands all day long, tapping messages onto screens instead of communicating with real people .Many teenagers feel more comfortable with virtual friends than with real ones.The majority think that it is easier to chat on the Internet because they lack communication skills. It is also true that parents often have no knowledge about what their kids do with their phones or computer. Crosby says that,"While kids are plugged in to social media , only about 40% of parents are involved themselves." And because parents don't know the full picture , thay also don't know how to deal with a teenager's potential overuse of social media and might not even be aware that a problem exists.Therefore , social networking can be much more immediately engaging with the teenager 's life than parents are , and this fact makes virtual commmunication feels more "real" than face-to-face communication 41.What is the main idea of the passage? A.Parents should use social networks more to understand their children B.Students are using social networks too much C.Social networking brings negative effects to student's face communication D.Virtual life is easier than real life 42.What do most teenagers think about chatting on the Internet? A.Chatting on the Internet is easier than talking with real people B.Chatting on the Internet is more difficult than talking with real people C.Chatting on the Internet is funnier than talking with real people D.Chatting on the Internet is more boring than talking with real people 43.The percentage of 40% refers to A.The number of parents who let their children use social media B.The number of parents who do not want their children to use C.The number of parents who use social media D.The number of parents who do not use social media 44.Which sentence is not true according to the passage ? A.The majority of teenagers find it easier to communicate with virtual friend B.The majority of teenagers lacks communication skill C.The majority of parents know how to use social media with their children D.The majority of parents do not know how to deal with their children overuse of social media

(x+2).(1+x-x ² +x ³-x mũ 4)-(1-x).(1+x+x ² +x ³+ x mũ 4)

25. This is …………………… man I’ve ever seen. A. best B. better C. good D. the best 26. That child behaves ……………………. of all. A. the most carelessly B. the more carelessly C. more carelessly than D. as carelessly 27. She speaks ………………. than I do. A. as quickly B. quickly C. more quickly D. quicklier 28. He didn’t arrive as ………………. we did. A. late as B. late than C. later than D. the latest as 29. You can take ……………………. books as you want. A. as many B. as much C. so much D. too many 30. I am one centimeter ………………. than you. A. tall B. as tall C. tallest D. taller 31. His job is …………………… as mine. A. not so difficult B. not that difficult C. not more difficult D. not very difficult 32. Of the two sisters, Linda …………………… A. is beautiful B. the most beautiful C. is the more beautiful D. is as beautiful 33. The lab is ………………… from the bus stop than the library. A. farer B. farther C. further D. B or C 34. A cat would be ……………….. to look after ………………. a dog. A. easy / than B. easier/ than C. easier/ to D. the easiest/ than 35. Our flat is ……………….. of those in this building. A. larger B. the largest C. as large D. largest 36. This box is the ………………. of the two ones. A. heavy B. heaviest C. heavier D. most heavy 37. "John's grades are really bad." "Yes, but Tim's are……………..' A. worse B. worst C. badder D. so worse 38. "I've got ten dollars" " I think I have……………….. money than you" A. least B. fewer C. less D. fewest 39. “ I don’t like to talk to Mr. David.” - “ He speaks …………………, doesn’t he?” A. more fast B. too fast C. fastly D. much fast 40. I’ll write to you ………………….. I can. A. sooner than B. as sooner as C. as soonest as D. as soon as 41. He is a ……………….. teacher. A. good B. well C. best D. better 42. ……………. the man gets, …………………. he becomes. A. the more old/ the more absent-minded B. the older/ the more absent-minded C. the older/ the absent-minded D. the more old/ the most absent-minded 43. Gorge learns …………………… of all the students. A. bad B. badly C. worse D. the worst 44. I go out less than I used to.. A. I don’t go out more than I used to. B. I used to go out less than I do C. I don’t go out as much as I used to D. I don’t go out as many as I used to 45. The hotel wasn’t as expensive as we thought. A. The hotel was more expensive than we thought B. The hotel was as expensive as we thought C. The hotel was cheaper than we thought D. The hotel was more cheaper than we thought 46. You are 80 years old. I am 90 years old. A. You are younger ten years than I am B. You are ten years younger than I am C. You are ten years younger as I am D. You are ten years youngest than I am 47. Boys often learn Math ………………… than girls. A. well B. good C. the better D. better 48. Don’t walk so …………. Can’t you walk ……………. ? A. fast/ more slowly B. fastly/ more slowly C. fast/ more slow D. fast/ slowlier