7. Since the ground is wet, it ___________ (rain) last night.

6. Men hold most of the top jobs, and this _________ (limit) women’s opportunities for promotion.

5. The boy stood there without _________ (dare; say) a word.

4. Doctors ___________ (research) into the causes of the disease believe they may have found a cure.

3. ￡45，000 _________ (award) to a typist with an injured hand.

2. A group of 80 planes, ___________ (lead) by Lieutenant Commander Egusha, was on its way to attack.

1. Great changes _________ (take place) in China in the past ten years.

10. Many students said they _________ doing endless homework.

9. She was ___________ when she was poor, but she has been out of debt since she got rich.

8. He had to ____________ by delivering newspaper in his youth.