31. Students are frequently advised to _____ unnecessary words when writing an essay.

　 A. cross off 　　　　　 B. break off 　 　C. let off 　　 　D. leave off 　

30. The other parents tried to pull the heartbroken father off_________ was left of the school,

　 saying “ It’s too late to dig! They are all dead.”

　 A. where　 　　　　　　　 B. what 　　　　 　C. which 　　 　D it

29. ---- How is everything going?

　 　-----Not smoothly. The problem is not __ so easy as we thought. It is far from being settled.

　 A.almost 　　　　　　　 B. hardly 　　　 　C. nearly 　　 　D. scarcely　　　　　　

28. ----Good morning. Doctor Brown’s office.

　----Hello, this is Tom Smith. Could you please tell Doctor Brown I ____? My car____ start.

　 A.was delayed，doesn’t　 　　　　　　　 　B. will be delayed, won’t

　 C. am delayed, didn’t　 　　　　　　　　　　　 　D would delay, mustn’t

27. -----It looks as if a storm is coming up. Yes, ________.

　 A.It certainly does 　 B. it certainly is C. it looks so D. it’s coming.

26. He told me that little about what they_____he know the moment Li Lei came to question 　　　　　him this morning.

　A. did did 　　　　　　　 B. did do 　　　 C. would do 　 D. could do　　　　　　　

25. This design is ______satisfactory. So you’ll have to try your best to better it.

　 A. nothing but 　　　 　B. anything but C. all but 　　　 D. everything but

24.-----Was it last week________ he decided to give up smoking?

　 -----No, he began_________he saw the new film last month.

　 A when, as soon as B. that, till C. when, , after 　 D. that, directly　　　　

23. Training by yourself in a gym________be highly dangerous.

　 A. must 　　　　　 B. can 　　　　　 C. will 　　　　　　　　 D. shall　　　　　

22.----Will you be _______this afternoon, John?

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

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