21. It is not a good habit ______ in public places.

　 A. chewing gum　 B. to chew gum　 C. to chew gums　 D. chew gums

20. No one likes him_________.

　 A. still　 B. never　 C. anymore　 D. too

19. Chen Hoi was chewing gum________.

　 A. anyway　 B. all the time　 C. all time　 D. all the same

18. Miss Gao _______ a reporter. But she ________ her job last month.

　 A. used to be, change　 B. used to be, changed　 C. has been, has changed　 D. is, had changed

17. These days I ________ ever have time for concerts. I really miss the old days.

　 A. hard　 B. hardly　 C. different　 D. differently

16. –--How much time did you _______ working out the plan?

　 ---Two weeks.

　 A. spend　 B. cost　 C. pay　 D. take

15. Don’t ________ about things so much. It will make you stressed out.

　 A. afraid　 B. terrify　 C. terrified　 D. worry

14.Jack had to stay at home and looked after his little sister, ________?

　 A. hadn’t he　 B. hadn’t Jack　 C. didn’t he　 D. didn’t Jack

13. His life _______ a lot in the last few years.

　 A. changed　 B. changes　 C. has changed　　 D. have changed

12. I can hardly hear the radio. Would you please ________?

　 A. turn it up　 B. turn it down　 C. turn it up　 D. turn it off