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