20. --- I’m sorry I’ve brought you too much trouble.

--- _________.　　

A. All right　　　　　　　　　 B. That’s right　　　　　　　　　　　　　 C. That’s OK　　　　　　　 D. You’re welcome

19. Broadly speaking, I would agree with Shirley, though not ________.

A. widely　　　　　 B. entirely　　　　　　　 C. extremely　　　 D. eventually

18. The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.

A. what　　　　　 B. which　　　　 C. that　　　 D. though

17.-Have you __________?

-No. I had the wrong number.　

A. got in　　 　　B. got away　 　　C. got off　　 　　D. got through

16.The man ______ of shooting 6 school children was caught by Beijing police, the XINHUA News Agency reported on Friday.　　

A. being suspected　　　 B. suspecting　　　　 C. suspected　　　 D. to be suspected

15. We Chinese felt excited _________ we saw Zhai Zhigang and his teammates appeared from the re-entry module(返回舱).

A. which　　　　　　　　　　 B. the moment　　　　　　　　　　　　　　 C. suddenly　　　　　　　　　　　　 D. once