9. I saw the car accident (happen) when I walked past the bank this morning.

8. He never (say) badwordsaboutotherswhenhewasachild.

6. 一 Alan,it’s late. Why not go to bed?

   —Jenny hasn^，t come back yet. I (wait) for her.

5. He finally (achieve) his dream before he went abroad.

4. The government is trying to stop the pollution (improve) people’s lives.

3. Can you tell me how often the Olympic Games (take) place? 

2. I don't believe he (own) the car for ten years. It looks as good as new.

五、动词填空。(10分)

1. Look!Someone (clean) the room. How clean it is now.

10. Everyone must work (close) with each other to finish the task.

9. She believes these talks are (mean) to kids and can teach them many.