I. 用所给动词的正确时态、语态填空, 使句意完整、通顺。
　　1. Walking on the grass ______(not allow).
　　2. If you ______(be) alone on an island, what would be the most important thing you have to do?
　　3. ─______ Tom ______(watch) the match yesterday?
　　─Yes, he did.
　　─What did he think of it?
　　─ He thought it was great. He said he ______ never ______(watch) such an exciting football match before.
　　4. Three quarters of the world’s books and newspapers ______(write) in English.
　　5. We should save oil, or there ______(not be) any left in the world.
　　6. Mary ______(give) a lot of presents at her eighth birthday party.
　　7. My hometown ______(change) a lot in recent years.
　　8. Electric light ______(invent) by Thomas Edison and America ______(discover) by Columbus.
　　9. If it doesn’t rain tomorrow, we ______(have) the football match on the playgroud.
　　10. The man didn’t know what ______(happen) while he was talking with his friends.

　　II. 用所给动词的适当形式填空, 使句意完整、通顺。
　　11. Could you tell me how ______(make) the kite fly higher?
　　12. He was made ______(clean) the floor when his mother was out.
　　13. ─Mike, what are you doing there?
　　─Listen, Mum, I hear somebody ______(go) upstairs.
　　14. Tom is a boy who prefers ______(do) to ______(talk).
　　15. Would you mind ______(change) places with me so that I can be near the fire?
　　16. ─Can you give me some paper ______(write) on?
　　─OK. Here you are.
　　17. The policeman told the driver ______(not drive) too fast. It’s dangerous.
　　18. ─I can’t understand when people talk to me in English.
　　─Why don’t you join an English club to practice ______(speak) English?
　　19. Be sure ______(send) me an email when you get there.
　　20. I expect ______(take) a trip to Beijing with my parents some day.
　　21. You should be out playing instead of ______(work) indoors all day.
　　22. You look tired. Why not stop ______(have) a rest?
　　23. I think ______(join) an English club can improve our speaking skills.
　　24. He used to ______(be) short of money, but now he is a millionaire.
　　25. I usually take a long walk before ______(go) to bed.

　　Key:
　　1. isn’t allowed
　　2. were
　　3. Did; watch; had; watched
　　4. are written
　　5. won’t be
　　6. was given
　　7. has changed
　　8. was invented; was discovered
　　9. will have
　　10. was happening
　　11. to make
　　12. to clean
　　13. going
　　14. doing; talking
　　15. changing
　　16. to write
　　17. not to drive
　　18. speaking
　　19. to send
　　20. to take
　　21. working
　　22. to have
　　23. joining
　　24. be
　　25. going