Bài tập Tiếng Anh lớp 9 Unit 10 Life on other planets có đáp án

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Bài tập Tiếng Anh lớp 9 Unit 10 Life on other planets 

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Giải bài tập SGK Tiếng Anh lớp 9 Unit 9: Natural disasters

Bài tập Tiếng Anh lớp 9 Unit 9 Natural Disasters Số 1

Bài tập Tiếng Anh lớp 9 Unit 9 Natural Disasters Số 2

Giải bài tập SGK Tiếng Anh lớp 9 Unit 10: Life on other planets

Choose the best option to complete each of the following sentences.

1. UFOs means ________flying objects.

A. unknown         B. unidentified          C. unable        D. unimaginary

2. The man ________without trace.

A. disappeared       B. disappearing        C. appeared        D. appearing

3. He is an ________pilot.

A. experience          B. experiment          C. experienced       D. experient

4. When a ________enters the earth's atmosphere it makes a bright line in the night sky.

A. moon                B. UFO              C. balloon          D. meteor

5. Scientists say that if people see a UFO, it ________an aircraft.

A. must be                B. would be            C. might be       D. should be

6. Some scientists say that flying saucers might be people's ________.

A. imagination               B. imagine           C. imaginative        D. imaginary

7. My parents did not allow me ________, so I had to stay at home.

A. go                    B. to go                C. going            D. gone

8. Do you think you will be able ________a space trip

A. take                  B. to take                C. taking         D. taken

9. If there were flying saucers, there ________traces of there landing.

A. would be              B. will be                   C. are           D. is

10. If I ________a bird, I would be a dove.

A. am                     B. is                   C. are               D. were

11. She would come to see you if she ________your address.

A. have                    B. has                 C. had              D. having

12. Where ________you go if you had a lot of money?

A. will                   B. would                  C. do           D. can

13. Do you believe ________the existence of UFOs?

A. on                    B. in                    C. at           D. for

14. If we became rich, we would travel ________the world.

A. on                      B. at                   C. in          D. around

15. She was absolutely terrified ________the thought of jumping off the bridge.

A. of                       B. with                 C. about         D. on

16. After having a baby, a woman may ________from depression for several months.

A. suffers                     B. suffering             C. suffer        D. suffered

17. If I ________wings, I wouldn't have to take an airplane to fly home.

A. had                      B. have               C. will have       D. didn't have

18. You may also find your country and other ________places.

A. interested                 B. uninteresting          C. interest       D. interesting

19. The ________is due to take off at midnight.

A. airmail                     B. aircraft               C. airport        D. airline

20. There's someone at the door. Perhaps it's Peter. Peter ________at the door.

A. should be                  B. may be              C. must be         D. will be

21. When you are in orbit, you'll be out of the earth's ________you're weightless.

A. outside                    B. gravity                C. atmosphere      D. outskirt

22. Paul likes planting flowers. When he grows up he ________a gardener.

A. will be                      B. should be               C. might be        D. must be

23. Hoa can't go with us ________she has to look after her little sister.

A. because                     B. moreover                C. as for         D. therefore

24. The argument was far from________.

A. conclude                    B. conclusive               C. conclusion        D. concluding

Give the correct form of the verbs in brackets.

25. If he ________________free time, he would go swimming. (have)

26. If I had much money, I ________________a new car. (buy)

27. If the weather ________________cool, the bananas wouldn't spoil. (be)

28. If Ba were rich, he ________________travel around the world. (travel)

29. What would you do if you ________________a UFO? (see)

30. If you can't find your place, I ________________you get there with this map. (help)

Give a suitable preposition to each gap below.

31. There were more than 1,500 UFO sightings _______the world in 1952.

32. He saw a plate-like device_______ the treetop.

33. There is still evidence ______people to believe_______ the existence of UFOs.

34. You will weigh 8 kilos heavier _______the moon.

35. You must get a letter _______the doctor that shows you are_______ perfect health.

Rewrite the following sentences as directed.

36. Ba isn't rich. He won't travel around the world.

If Ba were _______________________

37. I'm not rich, so I can't buy that house.

If I were _______________________

38. I can't give you a ride because I do't have a motorbike.

If I had _______________________

39. Water these plants or they will die.

If you don't _______________________

40. Hurry up or we'll be late for the concert.

I we don't _______________________

Use conditional sentences type 2 to rewrite the sentences below.

41. You don't save electricity. You pay a lot of money.

42. We don't have enough money, so we don't buy those new comics.

43. She is not free today, so she can't go to the movie with her friends.

44. He is so lazy. He fails the final exam.

45. The weather is not fine. The children don't play outdoors.

46. Thu cannot swim, so she doesn't go to the swimming pool with her friends.

47. People don't see the UFO, so they don't call the National UFO Reporting Centre.

48. She doesn't keep the refrigerator door closed, so she cannot save the energy.

49. There is much traffic, so the air is polluted by the waste smoke.

50. Ba isn't fast enough to catch the school bus.

Fill in each blank with a suitable word in the box.

planet – aircraft – objects – sky – meteor – spacecraft – UFO – in

UFOs are strange flying ______(51) that some people report that they have seen in the ______(52) and believe to be ______(53) from another ______(54) Many scientists do not believe so. They say if people see a ______(55), it might be an ______(56), a weather balloon or a ______(57). However, there is still evidence for people to believe ______(58) the existence of UFOs.

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