XI. Fill in each blank with an appropriate preposition.

1. Science and technology are changing our lives__________ every field.
2. Some Chemicals have damaging effect__________ the environment.
3. Is technology the key__________ success in the 21st century?
4. Science and technology bring a lot of benefits__________ people.
5. Engineers need to be good__________ maths and Sciences.
6. Thomas Edison was responsible__________ more than one thousand inventions.
7. It’s almost impossible to keep up__________ the latest developments in computing.
8. Will humans live__________ Mars someday?
9. Global communication was transformed by the invention__________ the Internet.
10. Thomas Edison was born__________ 1847__________ Ohio, USA.

tớ xin giải thích từng câu với ạ!!!

X. Supply the correct form of the words in brackets.
1.__________ is one of the compulsory subjects in high school. (chemist)
2. The moon landing launched a new era in space__________. (explore)
3. New__________ discoveries are made every day. (Science)
4. Technology is making our kids__________. Children have become less likely to play
outside. (active)
5. Everyday life is constantly improving thanks to the ideas of famous __________ past and
present. (invent)
6. Science and Technology have enormous effects on economic__________. (develop)
7. I don’t like this movie. Its dialogue sounds so__________. (nature)
8. Using computers has a effect on children’s learning. (benefit)
9. Wildlife__________ are trying to save the whale from extinction. (conserve)
10. __________ progress has been so rapid over the last few years. (technology)

em xin giải thích cho từng câu với ạ...

IX. Underline the best option.
1. She said she was seeing her brother the following day / the previous day.
2. Mike said he had had / would have an accident the day before.
3. She said she didn’t see / hadn’t seen them since the previous week.
4. I met Tom two days ago and he said he was going to London tomorrow / the next day.
5. Erica told me she won’t / wouldn’t be back until the following Thursday.
6. John said he had worked for that company the year before / the year after.
7. Sam told the police he didn’t know / hadn’t known what had happened.
8. Harry told us he is / was catching the first bus to New York the next day.
9. My mother told me that if I ate / had eaten too much, I would feel ill.
10. When I rang her this morning, she told me that she was busy today / that day.

em xin giải thích cho từng câu với ạ..!!

VIII. Rewrite these statements as reported speech. Make all necessary changes.

1. “I can’t Chat because I am working now,” said John.
___________________________________________________________________
2. “My brother wrote this book last year,” David said to me.
___________________________________________________________________
3. Jane said to us, ‘Tm having dinner with Rachel tomorrow.”
___________________________________________________________________
4. “We’ve worked very hard today and it has paid off,” the students said.
___________________________________________________________________
5. “I’ll see you here next Friday,” Tom said to me.
___________________________________________________________________
6. “We’ll be writing to you later this week,” they said to Maria.
___________________________________________________________________
7. “I don’t know where Bill is living at the moment,” said Nicky.
___________________________________________________________________
8. “My parents left for London at 5p.m yesterday,” Susan said.
___________________________________________________________________
9. “I may see you next week before I leave,” Nick said to Sarah.
___________________________________________________________________
10. “I didn’t attend the meeting two days ago,” said Matt.
___________________________________________________________________

nếu được thì cho em xin giải thích với ạ..

VII. Rewrite these statements as reported speech with tense changes.
1. ‘I’m reading a Science book.”
She told me_________________________________________________________
2. “The 8.30 flight to Da Nang will be delayed for 2 hours.”
They announced that _________________________________________________
3. “We have applied a new production Chain.”
The CEO of Volkswagen said that_______________________________________
4. “The invention of light bulb is very important.”
My teacher said that__________________________________________________
5. “My engineers can assemble 5 car engines a week.”
The director said that_________________________________________________
6. “I hope you will build the airport with lowest cost.”
The Prime Minister told foreign investors that_____________________________
7. “We plan to make the City a safer place for everyone.”
The local MP said that________________________________________________
8. “My family lived in Boston for five years.”
Carol said that______________________________________________________
9. “We may cut down on fossil fuels.”
They said that_______________________________________________________
10. “James Watt invented the steam engine in 1769.”
Ms. Elena told us that_________________________________________________

cho em xin giải thích của từng câu với ạ..

V. Complete the sentences with the words from the box.\

technology/ enormous/ benefits/ techniques/ exploring/
incurable/ underground/ inventions/ patent/ progress

1. In 50 years, homes might be located__________ or on water.
2. The Internet is one of the greatest__________ in human history.
3. Scientists are__________ the possibility of living on Mars.
4. New__________ has made it possible to communicate more easily.
5. Thomas Edison received a__________ for his light bulb in January 1880.
6. Science-based technology has an__________ impact on the human environment.
7. We have made significant__________ in the fight against HIV/AIDS.
8. Modern freezing__________ enable the chickens to be stored for weeks.
9. Robots will bring__________ to the manufacturing workforce.
10. Her cancer has been called__________ after it spread to her lungs.