2. 我花了 3个小时看完这本书。

It        to finish this book.

1. 中国成为第三个把人送人太空的国家。

China became the third nation       .

5. Tom        (回到) Scotland after studying abroad last year.

4.        (目的) poetry is to please.

3. The audience        (对.. 热心) this wonderful invention.

2. Factories are        (不再) allowed to pollute the air with black smoke.

1. I        (不习惯) going out after dark.

10. The        (航天飞机) Endeavour will be taking the astronauts to the Hubble.

9. That sort of work wants a lot of        (耐心) .

8. Leagues are commonly made for        (共同的) defence.