17. She showed us the whole dance first, then ______ so that we could learn it more easily.

A. got it through　　 B. carried it out　

C. broke it down　　 D. took it off

16.____ you’ve retired from bodybuilding, what do you want to do next?

A. Now that　　 B. Even if　　

C. In case　　　 D. Only if

15. Everyone here will thank the firefighters for the things they have done to prevent fires ___ the environment safer.

A. being made　　 B. to making　　

C. to make　　　 D. from making

14. Some policemen should be sent to _____ them ____ trees.

A. prevent; to cut down　　

B. stop; cutting down

C. keep; to cut down　　　

D. keep; cutting down

13. If you keep on _____, you’ll succeed ______.

A. to try; on time　　　 B. trying; on time　

　C. to try, in time　　　 D. trying , in time

12. There is no way of getting ____ it. You are going to have to tell the truth.

A. around　 B. away　 C. down　 D. off

11. I have _____ all my papers but I still can’t find my notes.

A. looked through　　 B. looked for

　C. looked after　　　 D. looked out

10. ---What are you reading , Tom?

　 ---I’m not really reading, just ____ the pages.

A. turning off　　　 B. turning around

　 C. turning over　　 D. turning up

9. There was no night flight to Beijing at this time. The service was _____ after the air crash.

A. taken down　 B. taken out　

C. taken off　　 D. taken over

8. ____ fire, all exits must be kept clear.

A. In place of　　 B. Instead of　　

C. In case of　　 D. In spite if