31. - The weather isn’t good enough for an outing , is it？

　- No, it isn’t. We can’t have _________at this time of the year.

A．a nicer day 　　 B．a worse day　 　　C．a worst day　 　D．so fine a day

30. The US president Bush said his country will sign a peace treaty with the DPRK(朝

鲜)______ the latter gets rid of all its nuclear facilities.

　　 　A. while　　　　 B. even if　　　　　 C. provided　　　 　　D. so that

29. I really don’t think Tony will be upset, but I will go and see him in case he___ .

　　 A. does 　　　　　　 B. is 　　　　 　 　C．will be 　　　 　　　D．will do

28. ______ for the terrible coal mine accident, as the public thought, the mayor of the

city felt nervous and was at a loss what to do.

A. He was to blame 　　　　　　　　　 B. Being to blame 　

C. Having blamed 　　　　　　　　 　　D. Being to be blamed　

27. Please tell me how the accident ______. I am still in the dark.

A. came by 　　　 B. came upon 　　 C. came to 　　　　 D. came about

26. -_________I stay with you?

-Well, I would rather you_________me alone for a while.

A. Will; leave　 　B. Shall; leave 　　 C. Will; left 　　　　 D. Shall; left

25. None of them had expected that the middle-aged engineer died____his design 　uncompleted .

A of. 　　　　　　 　B. from 　　　　　 　C. without 　　　　 　D.with

24. -May I remind you that a Mr Li is waiting outside, sir?　

-Oh, that is right ,　 I ____ about it.

A. forget 　　　　 B. had forgotten 　　C. forgot 　 　 　D. have forgotten

23. --- Do you know when Vicky came back yesterday evening?

　　 --- Yes. It was not yet nine o’clock 　　she came back home.

　A．before　 　　　B．when　 　 　C．that　 　　　　 　D．until

22.Susan was expecting her favorite singers, but to her disappointment , 　　 　appeared.

　 A. some　　　　 B. everyone　 　　 C. none　　　　 　D. no one