31. The story was said to have been based on the information from a reliable____.

A. source B. foundation C. origin D. basis

32. Anne asked Tom ____the key.

A. when he left B. where he had left

C. how had he left D. why did he leave

33. The customer accused the cook____ using canned potatoes.

A. for B. with C. of D. against

34. ____ is one of good properties of this metal.

A. Light in weight B. Having been light in weight

C. Be light in weight D. Being light in weight

35. --That car must have cost a lot of money.

--Oh, no, ____.

A. it mustn't B. it hasn't C. it doesn't D. it didn't

36. He gave no opinion about the matter because he didn't want to risk ____in it.

A. to involve B. being involved

C. to be involved D. involving

37. Don't f***et to post the letter for me, ____?

A. do you B. will you C. are you D. can you

38. If you____ that night, you might have been too late to get your ticket.

A. didn't hurry B. hadn't hurried

C. wouldn't hurry D. hadn't to hurry

39. We must recover the stolen goods at all ____

A. accounts B. conditions C. payments D. costs

40. There is no one here who can ____the problem.

A. see off B. treat C. deal with D. set up

答案：

31-35 ABCDD 36-40 BBBDC