31. His sister left home in 1998, and 　　　　since.

A. had not been heard of　 　　　　　　　　　　　　　　　　　　　　　 B. had not heard of

C. has not been heard of　 　　　　　　　　　　　　　　　　　　　　　 D. has not heard of

30. ----How are things with you?

----________. I now make enough money to pay the bills and keep food on the table.

A. From bad to worse　 B. Can’t complain　 　　　　 C. Too bad　 　　　　　　　　　　 D. Too good

29. His expenses do not correspond ______ his income.

　 A. to　 　　　 B. on　 　　 C. in　 　　　 D. of

28. The local government is trying all out to find out who is _____ the forest fire.

　 A. to blame for starting　　　　　　　　　　　　　 B. to blame to start

　 C. to be blamed for starting　　　　　　　　　　　　 D. to be blamed to start

27. I feel sure that _______ qualification, ability and experience, you are suited to the position we have in mind.

　 A. on account of　　　 B. in terms of　 　　　　 C. on the basis of　　　 D. in the light of

26. Later in this chapter cases will be introduced to readers ______ consumer complaints have resulted in changes in the law.

　 A. where　　　　 B. when　　　　　　　 C. who　　　　　　 D. which

25. I’m afraid we’ll have to work extra hours for there are still some problems ___________.

　 　A. remaining to settle　　　　　　　　　 B. remaining to be settled

C. remained to talk about　　　　　　　　 D. to remain to discuss

24. My new secretary was very quick; she ________ a lot of work in one morning.

　 　A. got over　　　 B. got across　　　　 C. got round　　　　 D. got through

23. ----Tom graduated from college at a very young age.”

　 ----Oh, he ____ have been a very smart boy then.”

A. could 　　　　　　 　　B. should　　　　　　 　　 C. might　 　　 　　　 D. must

22. Our _______ resources and stable policy provide foreigners with the advantages of developing their businesses.

　 A. generous　 　　　　　　　　　 B. limited　 　　　　　　　　　　　 C. narrow　 　　　　　　 D. abundant