31. On seeing the little boy in a red skirt, the whole family _____ laughing.

　 A. set out　　　　 B. burst out　　　　 C. brought into　　 D. burst into 　

30. To our surprise, the driver knows the road very well. I____ the map before departure.

　 A. needn’t buy　　　　　　　　　　 B. mustn’t have bought　　　　

　 C. needn’t have bought　　　　　　 D. may not have bought

29. A little boy tiptoed (用脚尖走) in when I call Jim, ____ rather embarrassed.　

　 A. looked　　　　　 B. looking　　　　 C. to look　　　　 D. having looked

28. To come back before Sunday, I have made a few minor ____ to the schedule of my trip.

　 A. arrangements　　 B. adjustments　　 C. adoptions　　　 D. applications

27. -- When will Tina leave for Shanghai?　

　 -- God knows. She was still _____ over whether to go there when I left.

　 A. hesitating　　　 B. deciding　　　 C. considering　　　 D. distributing

26. I have no doubt ___ he will finish the task ahead of schedule due to his diligence.

A. if　　　　　　 B. whether　　　　 C. that　　　　　　　　 D. about　

25. The heavy snow has lasted for seven days. ____, all the roads in the city are blocked for the moment.

A. In addition　　 B. In case　　　　 C. As a consequence　　 D. As usual

24. David is always late for school and doesn’t work hard. I can hardly imagine him _____ the exam.　

　 A. being passed　 B. to be passed　　　 C. passing　　　 D. to pass

23. - Haven’t they moved into the house yet?　　

　 - No. Although they __ the room all day long, it will be finished next Monday.　　

　 A. have been painting　 B. have painted　 C. are painting　 D. were painting

22. Do you think ____ seems to be any need to wait any longer?　

A. this　　 　　　　　　 　　B. there　　　 　　　　 C. it　　 　　　　　　 　D. that