31. I had no idea _____ you had been in hospital. Could you _____ what had happened.

　 A. what; give voice to 　　　　　　　　　　　 　　B. how; give rise to

　 C. where; give place to 　　　　　　　　　　　　　 D. that; give me a general idea of

30. ________ on the MSN, many people use "88" for "bye-bye".

　 A When chat　　　　 B When chatting　　　 C When to chat　 D When chatted

29. It was several minutes before I was ______of what was happening.

A.aware　　　　 B.accused　　　　　 C.tired　　　　 D.ashamed

28. She will have to _____________herself to the new condition.

A. change 　　　　 B. fit　　　　　　　　　　　　　 C. adjust　　　 　　 D. suit

27. The museum is _____.

　 A. worth to be visited　　　　　　　　　　　　　　　 B. worthy being visited

　 C. worthy to be visited　　　　　　　　　　　 　　 D. worth being visited

26. When I turned to the person _____ next to me, I recognized that he was my schoolmate.

　 A. seating　　　　　　　 　 B. seated　　　　　　　　　　 C. sit　　　　　　　　　　 D. sat

25. Since you have come so far with your experiment, you _____ carry it through to the end.

　 A. may 　　　　　　　　 　　B. might　　　　　　　 C. may well　　　　 D. may as well

24. He 　　　to paint the whole house but　 finished only the front .　

　 A.set about　　　　 B.set off　　　　 C.set out　　 D.set in

23. As a result of destroying the forests, a large _____ of desert _____ covered the land.

　 A. number; has　　　 B. quantity; has　 C. number; have　 D. quantity; have

22. Regardless _____ our mistakes, the teacher corrected our thesis patiently.

　 A. in 　　　　　　　　　　　　　　 B. of　　　　　　　　　　 C. for 　　　　　　　　 D. about