17. There was ______ time _____ Chinese used foreign oil.

A. a; when　　　　　　　　　 B. a; while　　　　　　　　　　 C. /; when　　　　　　　　　　 D. /; while

16. _______ keep the insects out, she shut the window.

A. So as to　 B. In order that　　 C. In order to　　　 D. For

15. He said, “Don’t do that again.”→ He ______ me _____ that again.

A. said to; to do　　 B. said to; don’t do　　 C. told; don't do　 D. told; not to do

14. This novel was concerned 　　　　the Second World War, while most teenagers are more concerned 　　　　the hero’s love story.

A.　with; for　　　 B. with ; with　　 C. for ; about　　　 D. about ;with

13. The reason _______ he changed so much was ________ he had to work hard to pay back the money his father borrowed.

A. for; that　　　 B. why; that　　　 C. why; because　　　 D. for; because

12. Betty and Louis _______ with each other at first sight and they ________ in love for five years ever since.

A. fell in love; have been　　 B. fell in love; have fallen

C. were in love; have been　 D. were in love; have fallen

11. It was the third time that she ______ to this mountain village to see the children.

A. had come　　　 B. has come　　　 C. came　 D. would come

10. When we visited Zhangzhuang again ten years later, we found it changed so much that we could hardly ______ it.

A. remember　　 B. think about　　 C. believe　　 D. recognize

9.　 --- Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?

--- Yes, but I ____ her husband first.

A. should have told　 B. shouldn’t have told　 C. must have told　 D. needn’t have told

8. Since 1999, the number of foreign students at German universities ______ from 113,000 to almost 200,000.

A. has increased　 　　　　　　　 B. have increased　 C. are increased 　 D. was increased