1. The rocket ……………………… around the Earth for 30 minutes. (fly)
2. The weather …………………. terrible since yesterday. (be)
3. You must take the baby to the doctor’s if his temperature ………… up again. (go)
4. If Jack ……………… a video recorder, he ………………. many programs. (have / record)
5. All the students are looking forward ………………………… summer vacation. (spend)
6. Justin said he …………………. the following day. (return)
7. The teacher ordered Tom …………… to the blackboard. (go)
8. Tam’s mother advises her ……………… (not spend) too much time on …………………. computer games. (play)
9. Minh said that he …………………… English in London then. (learn)
10. He said that he ……………… (not drive) fast when the accident ……………… (happen)
11. When we …………… (go) down the hill, a strange object ……………… (appear) in the sky.
12. The floor isn’t very clean now. Jane …………………… it for 2 hours. (clean)
13. It doesn’t stop raining. It ……………………….. the whole day. (rain)
14. What ………………………….. at this time yesterday ? (you / do)
15. It is ……………… that he …………………… here now. (suggest / be)
16. This car …………………….. if it is cheap. (buy)
17. The robber climbed into the windows without ……………………… (see)
18. Do you suggest ………………… on the grass enjoying sunshine ? (lie)
19. Those environmentalists are happy ……………… the battle against dynamite fishing. (win)
20. In order to save electricity, an ordinary 100-watt bulb can ………………… by an energy-saving bulb. (replace)
21. Ha ……………………. herself for quite a long time. (enjoy)
22. On the way home, Long often stops ………………… a newspaper. (buy)
23. Energy-saving bulbs are used ……………… electricity in the USA. (save)
24. It is very possible ………………… solar energy for a number of days. (store)
25. The best way to reduce garbage is ……………… and recycling things. (reuse)
26. Poisonous gases …………………. into the atmosphere every day. (pump)
27. Solar panels ……………………. on the roof of a house. (place)
28. How about …………………… used paper, bottles and cans every day ? (recycle)
29. I’m not used to ………………. so far, so I must stop ……………… for a while. (walk / stop)
30. His joke made me ………………. a lot. (laugh)
31. If we use energy-saving bulbs, we ………………… a lot of money. (save)
32. In the last ten years, life in our city ……………………….. dramatically.(change)
33. She will tell him about the news when he ………………….. her tomorrow morning. (phone)
34. They ……………………. roses in the garden when I came to see them. (plant)
35. Thank you for ……………………….. after my grandpa while I was away last week. (look)
36. Young people are keen on …………………… fashionable clothes. (wear)
37. They ……………………. TV all evening yesterday. (watch)
38. I …………………….. table tennis for three years now. (play)
39. If you ……………….. the lesson, I’ll explain it again to you. (not understand)
40. If the rice paddies …………………., the rice plants ………………… (pollute / die)
41. John ………………… the first prize in the English speaking contest. (just / win)
42. Uncle Ho devoted his life …………………. the independence for Vietnam. (gain)
43. I think we …………………… some canned food before typhoon. (buy)
44. I suggest …………………… solar energy instead of coal, gas and oil. (use)
45. Why not ………………… another products ? (choose)
46. Let her ……………… her best to finish her work in time. (try)
47. Unfortunately, he ………………….. three accidents recently. (have)
48. A new photocopier …………………. in last week. (put)
49. He would be healthier, if he ……………… so much. (not, smoke)
50. Road users …………………… by law to wear quality safety helmets. (force)
