31. The secretary worked late into night, ____ a long speech for the president.

　　 A： to prepare　　 B： preparing　　 C： prepared　　 D： was preparing

　　 　　　(　　　 )

30. The plant is dead. I_____it more water.

　　 A： will give　　　　　　　　 B： would have given

　　 C： must give 　　　　　　　　D： should have given

　 　　　(　　　 )

29. I didn't hear the phone. I_____asleep.

　　 A： must be　　　　　　　　　 B： must have been

　　 C： should be　　　　　　　　 D： should have been

　 　　　(　　　 )

28. -We could have walked here; it was so near.

　　 -Yes, A taxi _____at all necessary.

　　 A： wasn't 　　　B： hadn't been　 　C： wouldn't be　　 D： won't be

　 　　　(　　　 )

27. It was _____ she took off her dark glasses _____ she was a famous film star.

A： when, that didn't realize.

B： not until, that I realized

C： not when, when I realized

D： until, that I didn't realize

　 　　　(　　　 )

26. -Do you know Jim's quarrelling with his brother?

　　 -I don't know. And _____.

　　 A： nor don't I care　　　　 　　　　B： nor do I care

　　 C： I don't care neither 　　　　　　D： I don't care too.

　 　　　(　　　 )

25. Nancy hasn't begun working on her P.H.D,_____working on her master's.

A： still because she is yet

B： yet as a result she is still

C： yet because she is still

D： still while she is already

　 　　　(　　　 )

24. _____received law degrees as today.

　 　A： Never so many women have

　　 B： Never have so many women

　　 C： The women aren't ever

　　 D： Women who have never

　　 　　　(　　　 )

23. -How are you getting on with your study?

　　 -_____, I haven't made_____I expected.

　　 A： Well, as much progress as

　　 B： Oh, so much progress as

　　 C： What, as many progress as

　　 D： Yes, so more progress as

　　 　　　(　　　 )

22. I'm sorry to____the recorder for such a long time.

　　 A： keep　　 B： have kept　　 C： be keeping　　 D： have been kept

　 　　　　(　　　 )