41. - --We will do what we can ____ourselves this term.

　　---It’s high time for you to work hard.

　　A. improve

　　B. to improve

　　C. be improved

　　D. be improving

　　42---What happened to Tom?

　　---He was crossing the street ____ a motorbike hit him from behind.

　　A. while

　　B. when

　　C. until

　　D. because

　　43. ---Dad, what’s the sea like?

　　--- Well, it’s large and full of water. It covers about _____ of the earth.

　　A. one third

　　B. three quarter

　　C. three-fourth

　　D. three quarters

　　44. ---May I go out for an outing with you tomorrow?

　　---If your mother______.

　　A. will let

　　B. will allow

　　C. let

　　D. agrees

　　45---Would you like ______ some fruit?

　　---No thanks. I don’t feel like _____ anything now.

　　A. to have, to eat

　　B. having, to eat

　　C. to have, eating

　　D. having, eating

　　46---There can be no life on the earth without water.

　　---That’s right. Water _____ everywhere.

　　A. needs

　　B. is needing

　　C. is needed

　　D. needed

　　47---Were you late ____the meeting?

　　---No, I arrived there ten minutes______ the meeting started.

　　A. for, before

　　B. at, before

　　C. for, till

　　D. at, after

　　48---Excuse me,______ I don’t think you can smoke here.

　　----Sorry I didn’t know this is none-smoking zone.

　　A. and

　　B. but

　　C. so

　　D. then

　　49---How many English words had you learned _____ the end of last term?

　　----Around 2000,but I’ve forgotten most of them.

　　A. by

　　B. at

　　C. to

　　D. on

　　50. ---Are you learning art now during your spare time?

　　----No. I’ve stopped _____ Chinese medicine instead.

　　A. to learn

　　B. learning

　　C. dropping

　　D. to give up

　　参考答案：1-5CCABC 6-10CDBAB

　　11-15ABBBB 16-20DBBDB

　　21-25ABAAD 26-30CAADC

　　31-35ACDBA 36-40BBBDD

　　41-45BBDDC 46-50CABAA