1. deforestation

2. air

3. noise

4. soil

1) Deforestation is bad for our planet .

2) Air pollution can cause breathing problems for some people.

3, A plane engine can make a lot of noise , so the new airport will increase noise  pollution here.

4, we can plant any trees because the levels of soil pollution here are very high.

1. Deforestation is bad for our planet.

2. Air pollution is can cause breathing problems for some people.

3. A plane engine can make a lot of noise,  so the new airport will increase noise pollution here.

4. We can't plant any trees because the levels of soil pollution here are very high.

1. _____ is bad for our planet.

A. Deforestation         B. Sugar          C. Animal        D. tree

2. _____ pollution can cause breathing problems for young children.

A. Soil                         B. Noise                      C. Air              D. Water

3. A plane engine can make a lot of noise, so the new airport will increase ____ pollution here.

A. A. Soil                    B. Noise                      C. Air              D. Water

4. We can’t plant any trees because the level of ______ pollution here are very high.

A. Soil                         B. Noise                      C. Air              D. Water

5. You must _____ your teeth every day at least twice.

A. do                           B. make                       C. sweep                     D. brush

6. You _____ to come if you don’t want. I can go on my own.

A. haven’t                   B. don’t have              C. mustn’t have           D. haven’t have

7. I’m sorry but  you ___ to leave this place because it is on fire.

A. ought                      B. can                          C. could                      D. are able

8. I ______ write to Sarah. I haven’t written to her for long.

A. Can                         B. must                        C. have to                    D. ought to

9. _______ you please turn down your radio, I can’t hear my television.

A. Can                         B. Could                     C. Do                          D. both A and B

10. ______ have they been here? For two hours.

A. How old                 B. How often              C. How long               D. How

11. We should keep our teeth _____

A. be clean                  B. to be clean              C. clean                       D. cleanly

12. Come in and _____a seat.

A. do                           B. give                         C. go                           D. have

13. Trang plays soccer very well.  She is a _____ soccer player.

A. good                       B. well                         C. skillfully                 D. bad

14. He practices _____the guitar every day.

A. to play                    B. play                         C. playing                    D. to playing

15. My sister will be 16 _____ Sunday _____ 

A. on - May 25^th          B. on - May 25            C. in - 25^th May           D. in - May 25 

16. ______ she comes, we can’t start the lesson.

A. If                            B. When                      C. Until                       D. Unless

17. Every girl ought to learn ______ to cook.

A. what                       B. when                       C. how                                    D. where

18. ______20 September, 1529, five small ship set sail from Spain.

A. At                           B. In                            C. On                          D. By

19. “Was the competition a success ?” “Yes, ............ people took part in it than usual”.

A. more                       B. fewer                      C. less                          D. many

20. If she eats all the food, she ____ a stomachache.

A. will have                 B. has                          C. could have              D. should have

21. My parents _______ me to see Ho Chi Minh’s Mausoleum last summer.
A. led                          B. took                        C. brought                   D. directed
22. I’m sure they were _____ lies.
A. telling                    B. making                    C. doing                      D. saying 
23. I’d like to mail this letter _______ my friend in the USA.
A. for                          B. with                        C. to                            D. up to
24. We _________ to our new house on January 1st. 
A. transferred              B. got                         C. removed                 D. moved
25. Fluoride toothpaste helps _________ tooth decay
A. prevent                   B. for preventing         C. preventing             D. with preventing 
26. Wear your hat. It will _______ your head.
A. protect                    B. defend                    C. secure                    D. guarantee.
27. She added a little salt to the soup so it tasted _______ 
A. deliciously             B. well                         C. good                       D. tastefully

1. A

2. C

3. B

4. A

5. D

6. B

7. A

8. D

9. A

10. C

11. C

12. D

13. A

14. C

Chúc bạn học tốt! :)))

1. Deforestation is bad for our planet.

2. Air pollution can cause breathing problems for some people.

3. A plane engine can make a lot of noise, so the new airport will increase noise pollution here.

4. We can't plant any trees because the levels of soil pollution here are very high.

Chúc bạn học tốt

1.deforestation is bad for our planet.                                                                                                                                                                2.air pollution can cause breathing problems for some people.                                                                                                                      3.a plane engine can make a lot of noise ,so the new airport will increase noise pollution here.                                                                    4.we can't play any trees because the levels of soil pollution here are very high

1. Deforestation is bad for our planet.

2. Air pollution can cause breathing problems for some people.

3. A plane engine can make a lot of noise, so the new airport will increase noise pollution here.

4. We can't plant any trees because the levels of soil pollution here are very high.

Đáp án là C.

Breathing problem: vấn đề về hô hấp

Dịch: Ô nhiễm không khí có thể gây ra các vấn đề về hô hấp.

Đáp án: Breathing problems can be caused by air pollution.

They believe that air pollution cause some health problems for people in the city.

- It....is believed that air pollution cause some health problems for people in the city..

- Air pollution.is believed to cause some health problems for people in the city..

They believe that air pollution cause some health problems for people in the city.

- It is believed that air pollution cause some health problems for people in the city.

- Air pollution is believed to cause some health problems for people in the city.

Breathing problems can be caused by air pollution.

Rewrite the second sentence so that it has a similar meaning with the first one:

Air pollution can cause breathing problems ->Breathing problems can be caused by air pollution.

Rewrite the second sentence so that it has a similar meaning with the first one:

Air pollution can cause breathing problems ->Breathing problems can be caused by air pollution.

Chúc bn hok tốt.

Breathing problems can be caused by air pollution.

Rewrite the second sentences so that it has a similar meaning with the first one

1.Air pollution can cause breathing problems.

-Breathing..........problems can be caused by air pollution..................

2.Study hard or you won'kt pass the exam

-.......................If you study hard you'll pass the exam..........................