20. ---Why are you always sitting up?

　 ----_________ I am wanted.

A. As though　 B. While　 C. In case　　 D. Because of

19.This story reflects Buh’s style of climbing :totally focused and by taking enormous risks he often made it_________ others failed.

A　 as　　 B　 until　　 C if　 D where

18. For a moment nothing happened. Then _______ all shouting together.

A. voices had come　　 B　 came voices　

C voices would come　 D did voices come

17. Excuse me,but would you show me that ___________ toy bear?

A.red beautiful glass　 B beautiful red glass　 C beautiful red glass　　 D red glass beautiful

16. The palace caught fire three times in the last century, and little of the original building ___ now.

A. remains　 B.is remained　 C.is remaining　 D. has been remained

15. ------ Why was the trip to Changsha put off until Friday?

-------- The bus may be ________ by the snow storm,thus causing the delay.

A. held with　 B held down　 C held up　 D held out

14. The store had to _________ a number of shop assistants because sales were down.

A. lay off　 B lay out　　 C lay down　 D lat aside

13.-Are you fond of Liu Qian’s performance on the eve of the Spring Festival?

　---No._____.

A. I didn’t get it.　　　　 B. That’s not the point　

C. I’ve got no idea.　　 D. It’s not my cup of tea.

12. ---Will you be ___this afternoon, Jack?

　 ---It depends. I’m afraid I’ll be called by my boss.

A. available　 B. accessible　 C. convenient　 D. suitable