15. A button ___ as I was climbing over the wall in a hurry.

A. came away　 　　　B. came out　　 　C. came down　　 　　D. came off

13.---Did you hear the loud noise ____ the flash of light last night?　 ---Yes, I _____ TV.

A. following, watched　　　 　　　　B. following, was watching

C. followed, had watched　　 　　　　D. followed, was watching

14. People today should be punished for polluting the environment and must ______ down too many trees.

A. stop to cut　　　　　　　　　 B. stop from cutting　

C. be stopped to cut　　　　　　 D. be stopped from cutting

12. ---You seem to have had that car for years. ---Yes, I should sell it _____ it still runs.

A. before　　 　　　　B. after　　 　　　　　C. until　　 　　　　D. while

11. He was ____ with the results of the exam, which can be seen from his ____ smile.

A. satisfied, satisfying　 　　　　　　B. satisfied, satisfied　

C. satisfying, satisfied　　 　　　　D. satisfying, satisfying

10. I try to keep in ______ with current events by reading the newspaper and surfing the Internet.

　　 A. companion　　 　　B. connect　　 　　　C. touch　　 　　　D. link

9. _____ production up by 60%, the company has had another excellent year.

A. As　　 　　　　　　B. For　 　　　　　C. With　 　　　　D. Through

7. His father is addicted to smoking. ________he smokes about ten cigarettes a day.

　　 A. In particular　　　　 　B. On balance 　　　　　 C. In fact　 　　　 　　　D. On average

8. E-shopping, when properly ______, can save us a lot of time and energy.

A. done　　　　　　 B. is done　　　　 C. has done　　　　 D. doing

6. The couple gave a dinner party in _______ of their silver wedding anniversary.

A. support　　　　　 B. celebration 　　　C. praise　　　　　 D. congratulation

4. ---Look, John has fallen asleep.　 ---Oh, he ____ too late last night.

A. might sit up　 B. should have sat up　 C. could sit up　 D. might have sat up

5. Since I won the lottery, my telephone hasn’t stopped ringing. People _____ to ask how I’m going to spend the money.

A. are phoning　 　　B. phone　 　　　C. will phone　　 　D. were phoning

3. The ladder looks rather unsteady; don't _______ to climb it!

A. attempt　　　 　　　B. predict　　 　　C. suppose　　　　　 D. risk