1 I am interested in watching TV

2 If we cycle to school everyday, we will keep fitter

3 There are 34 students in my class

4 Mai is shorter than Lan

I. Complete the sentences with the correct form of the words in brackets.
1. In order to keep our environment ......unpolluted...... , we shouldn’t drop litter in public places. (pollute)
2. Don’t pump ....sewage........ into seas and rivers or it will pollute them. (sew)
3. Don’t throw away .......used..... bottles, papers, and glass. Take them to recycling centres. (use)
4. If we keep on .....polluting....... the air, more people will suffer from respiratory diseases. (pollution)
5. The local authorities have received many letters of ........complaint.... about the industrial wastes from that factory. (complain)
II. Complete the sentences with the correct form of the words in brackets.
1. Ba was ......seriously...... ill right after eating those ......poisonous...... mushrooms. (serious / poison)
2. ......Conservationists...... are interested in the protection of the environment. (conserve)
3. Without .......electricity..... , some people wouldn’t catch fish. (electric)
4. Shhh. Listen ......carefully...... to the conservationist teaching us how to protect the environment. (care)
5. What is responsible for the .....environmental....... problems in your city? (environment)
III. Complete the sentences with the correct form of the words in brackets.
1. Make sure the use of ......pesticide...... is not harmful to farm workers’ health. (pest)
2. .....Congratulations....... ! You have successfully held the clean-up campaign. (congratulate)
3. Use public transport or we won’t .....minimise....... pollution. (minimum)
4. If ......deforestation...... continues, there will be no forest left ten years from now. (forest)
5. The rising level of air pollution has caused concern among .......envrionmentalists..... . (environment)

1. We expect the government to propose changes to the taxation system.

  ->Changes to the taxation system      are expected to be changed by the government

2. He couldn't play well in the last match because of his injured knee.

->His injured knee made    he unable to play well in the last match

3. You can try to get Jim to lend you his car, but you won't succeed.

-> There's no point     in getting Jim to lend you his car

4. Supermarkets started to sell fresh pasta only in 1990s.

-> Fresh pasta      started to be sold by supermarkets only in 1990s

5. He wished he had invited her to his birthday party.

->He regretted     not inviting her to his birthday

6. Mastering a second language takes time and patience.

->It    is time-consuming to master a second language

7. I prefer having dinner at home to going out for dinner.

->I'd rather     have dinner at home than go out for dinner.

8. After four years abroad, Mr. Brown returned home as an excellent engineer.

-> After Mr. Brown    had been abroad for 4 years, he returned home as an excellent engineer.

9. It won't be difficult to get a ticket for the game.

-> You won't have any     difficulty getting a ticket for the game.

10. Driving on the left is strange and difficult for Americans.

-> Americans aren't         used to driving on the left

Rewrite the sentences without changing their original meanings.
1.   Students will take courses at their own pace.
      Courses____will be taken at students' own pace_________________________________________________________________________
2.   We will get online lectures from the internationally famous professors for our personal learning needs.
      Online lectures will be got from the internationally famous professors for our personal learning needs.____________________________________________________________________ 
3.   Students will study complex topics beyond the textbook.
      Complex topics will be studied beyond textbook by students____________________________________________________________________ 
4.   The computer will make a joke to wake you up when you feel sleepy.
      A joke will be made to wake you up when you feel sleepy.___________________________________________________________________________ 
5.   Viet Nam will give the necessary resources and trust to all teachers.
      The necessary resources and trust will be given to all teachers by VN_____________________________________________________ 
6.   The artificial intelligence will replace human minds in the next century.
      Human minds will be replaced by the artificial intelligence in the next century___________________________________________________________________ 
7.   Local governments in rural areas will offer sufficient support to primary and secondary students.
      Sufficient support will be offered  to primary and secondary students by local governments in rural areas_________________________________________________________________ 
8.   Students will learn new skills through cool tools, videos, quizzes and game-like labs.
      New skills ___will be learnt through cool tools, videos, quizzes and game-like labs ______________

Đáp án: B

Giải thích: If+ Mệnh đề (phủ định) = Unless+ Mệnh đề (khẳng định)

Dịch: Nếu bạn không sử dụng quá nhiều nước, bạn sẽ bảo vệ mội trường.

1 It's very important to keep the environment clean

2 The time machine will be shown to the public when they finish it

3 He was delighted that he received his aunt's letter

4 People use old car ties to make shoes and sandals

5 I'm very sad not to be accepted in that group

6 I haven't spoken to her for 3 years

7 Tam used to type faster than she does now

8 My father asked me to turn down the radio for him

9 It is Lan's 15 birthday next week

10 When did you used the pen?

Rewrite the sentence without changing the meaning

1. Keeping the environment clean is very important.

- It’s very important to keep the environment clean.

2. They will show the time machine to the public when they finish it.

- The time machine will be shown to the public when they finish it.

3. He was delighted to receive his aunt’s letter.

- He was delighted that he received his aunt’s letter.

 4. Old car tires are recycled to make shoes and sandals.

- People recycle old care tires to make shoes and sandals.

5. I’m very sad that I wasn’t accepted in that group.

- I’m very sad not to be accepted in that group.

6. It’s three years since I last spoke to her.

- I haven’t spoken to her for three years.

7. Tam doesn’t type as fast as she used to.

- Tam used to type faster than she does now.

8. “ Please turn down the radio for me”, said my father.

- My father asked me to turn down the radio for him.

9. Lan will be fifteen next week.

- It is Lan’s fifteenth birthday next week.

10. How long is it since you used the pen?

- When did you begin to use the pen?

1. Keeping the environment clean is very important.

- It’s very important to keep the environment clean……………………………………………………………………………..

2. They will show the time machine to the public when they finish it.

- The time machine will be shown to the public when they finish it……………………………………………………………

3. He was delighted to receive his aunt’s letter.

- He was delighted that he received his aunt's letter…………………………………………………………

4. Old car tires are recycled to make shoes and sandals.

- People recycle old car tires to make shoes and sandals………………………………………………………………………..

5. I’m very sad that I wasn’t accepted in that group.

- I’m very sad not accepting in that group……………………………………………………………

6. It’s three years since I last spoke to her.

- I haven’t spoken to her for 3 years……………………………………………………………….....…

7. Tam doesn’t type as fast as she used to.

- Tam used to type faster than he does now……………………………………………………………….......

8. “ Please turn down the radio for me”, said my father.

- My father asked me to turn down the radio for him ……………………………………………………………

9. Lan will be fifteen next week.

- It is Lan’s birthday on next week…………………………………………………………………..

10. How long is it since you used the pen?

- When do you start using the pen …………………………………………………………………….?

1 His hobby is playing volleyball in his free time

2 Nick's favorite pastime is doing the computer studies

3 They love walking along the seashore

 1. The smoke from factories will pollute the air. (turn into passive)

__The air will be polluted by the smoke from factories__________________________________________________________________

2. I found the film exciting. (excited)

___I am excited about the film_________________________________________________________________

3. Anna had long hair when she was at school. (used to)

___Anna used to have long hair when she was at school. _________________________________________________________________

4. I spend 30 minutes walking to school every day. (takes)

It_takes me 30 minutes to walk to school every day. _________________________________________________________________

5. Today the temperature is 1 8 degrees. Yesterday, it was about 25 degrees. (so) Yesterday was_______not so cold as today________________________________________________