1. No matter what the weather is like, you can always find surfers out _______ (ride) the waves.

20. ---Linda had nothing for breakfast this morning, _______?

　 ---No. She got up too late.

　 A. had she　 B. hadn’t she　 C. did she　 D. didn’t she

19. ---Who cleaned the blackboard yesterday, Dick?

　 ---John _________.

　 A. cleaned　 B. does　 C. did　 D. is

18. Cotton _______ nice and soft.

　 A. is felt　 B. is feeling　 C. feel　 D. feels

17. You may go fishing if your work ________.

　 A. is done　 B. will be done　 C. has done　 D. have done

16. Look! How heavy the rain is! You’d better ________.

　 A. don’t go now　 B. stay here when it stops

　 C. not leave until it stops　 D. not to leave at once

15. A talk on Chinese history ________ in the school next week.

　 A. be given　 B. has been given　 C. will be given　 D. will give

14. I have to go now. Please remember to ________ the lights when you leave.

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