13. The wife is cooking busily in the kitchen 　　　　the husband is watching TV leisurely in the sitting room.

　　 A. when　　　　　　　　　 B. as　　　　　　　　 　　　 C. though　　　　　　　　　 D. while

12. This is the very factory 　　　　they visited last summer holiday.

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

11. The machine 　　　. It hasn’t worked for years.

　　 A. didn’t work　 　　 B. wasn’t working　　　 　　　 C. doesn’t work　　　　 D. isn’t working

10. Selecting a mobile phone for personal use is no easy task because technology 　　　　so rapidly.

　　 A. changes　　　　 　 B. has changed　　　　　　　　　　　 C. changed　　　　　　　　 D. is changing

9. I don’t like eating out with friends, for it 　　　　too much time.

　　 A. uses up　　　　　　　　 B. takes up　　　　　　　　　　　　　　 C. picks up　　　　 　　　 D. sets up

8. A bomb 　　　, and many people were injured by flying glass.

　　 A. went off　　　　　　　 B. went along　 　　　　　　　　 C. went away　　　　　　 D. went out

7. — Please 　　　　to CCTV sports channel. The NBA finals are going on.

　　 — Well, I am thinking about it.

　　 A. switch on　　　　 B. switch off　　　　　　　　　　　　 C. switch over　　　　　　 D. switch through

6. I can’t stand 　　　　with Jane in the same office. She keeps 　　　　off her talent and beauty.

　　 A. to work, to show　 B. to work, showing　　　　　　　 C. working, to show　 D. working, showing

5. Some furniture got 　　　　when we were moving.

　　 A. to damage　　　 B. damaging　　　　　　　　　　　　　 C. damaged　　　 　 D. to be damaging

4. Jane, a clever woman, was the first 　　　a solution to the problem.

　　 A. to have found　　　　　　　　　　　　 B. finding　　　　　　 　 C. find　　　　　 　　　 D. to find