21. Someone ______ my neighbor’s house but fortunately nothing important was stolen.

　　 A. broke out　　　 B. broke into　　　 C. broke up　　　　 D. broke off

20.　　　　　　　　　　　　 - No one is permitted to smoke here.

　 - Yeah. It is ______ to protect people’s health.

　 A. allowed　　　　 B. made　　　　　　 C. banned　　　　　 D. used

19. She was tired when she reached the top of the hill, so she stopped ____ on a big stone by the side of the path.　

　　 A. being resting　 B. to rest　　　　　　 C. rest　　　　　　　　 D. resting　　

18. His suggestion was such a great one ______ no one had any different idea.

　 A. as　　　　　　　　 B. what　　　　　　　 C. which　　　　　　 D. that

17.　　　　　　　　　　　　 - Oh, no! I left my textbook at home.

　 - Don’t worry. I can ______ mine with you.

　　 A. borrow　　　　　 B. lend　　　　　　　 C. sell　　　　　　　　 D. share

16. He watched TV till 1 o’clock last night. ______, he was late for work this morning.

　 A. After all　　　　 B. In fact　　　　　　 C. As a result　　　 D. At last

15. Experts say that listening to loud music will ______ your hearing.

　 A. touch　　　　　　 B. move　　　　　　 C. affect　　　　　　 D. afford

14. Mr. Smith thinks actions are more ______ than words and he sets a good example to his students at any time.

　 A. cheerful　　　　 B. powerful　　　　 C. accessible　　　 D. possible

13. ______ the basketball match next month, we need to practice after class every day.

　 A. Win　　　　　　　 B. Won　　　　　　　 C. Winning　　　　 D. To win

12. We can’t imagine how many stones were used ______ building the Great Wall.

　　 A. as　　　　　　　　 B. by　　　　　　　　 C. in　　　　　　　　　 D. to