31. It‘s about time that this problem .

　　A. to settle B. should be settled C. be settled D. to be settled

　　32. A person a foreign language must be able to use the foreign language

　　all his own.

　　A. learning， forgetting B. who learns， to forget

　　C. to learn， to forget D. using， but

　　33. Einstein was given the Nobel Prize Physics in 1921.

　　A. in B. at C. on D. for

　　34. In the geography lesson， the teacher told the children that the earth round like a ball.

　　A. was B. is C. were D. had been

　　35. His father died and him a lot of money.

　　A. sent B. afforded C. left D. gave

　　36. No sooner had he left the police arrived.

　　A. when B. then C. than D. before

　　37. Still water run .

　　A. quick B. deeply C. deep D. quickly

　　38. He often goes to school by bike it rains.

　　A. besides B. except for C. except D. except when

　　39. It is important us the balance of nature.

　　A. for…to keep B. of…to keep

　　C. for…keeping D. of…to have kept

　　40. There is little ink in the bottle， ?

　　A. isn‘t there B. isn’t it C. is there D. is it

　　41. There are many in this hospital.

　　A. woman doctors B. women doctors C. women doctor D. doctor woman

　　42. Your coat will lose its color it is washed.

　　A. after B. until C. though D. not until

　　43. —What shall we do this weekend， Sara?

　　—What about to a movie?

　　A. go B. going C. went D. to go

　　44. It is quite clear he won‘t see us.

　　A. what B. that C. why D. how

　　45. There is “u” and “s” in the word “us”。

　　A. a…a B. a…an C. an…a D. an…an

　　46. Tom told me that you were going to take a trip to America， ?

　　A. wouldn‘t you B. didn’t he C. weren‘t you D. didn’t you

　　47. Science seems closer to the question.

　　A. to be getting…answering…puzzling B. to get…answer…puzzled

　　C. to be getting…answer…puzzling D. getting…answer…puzzling

　　48. ， we must take time to discuss it carefully.

　　A. Being rather difficult

　　B. Because the question being rather difficult

　　C. the question being rather difficult

　　D. Because the question be rather difficult

　　49. The teacher told you to do it .

　　A. how he said B. as you had been shown

　　C. which he told you D. what you had heard

　　50. More than one person that kind of experience.

　　A. has had B. have had C. are having D. were having