25. She looks sad. Could you please tell me ____ that prevents her from being as happy as before.

　　 A. what it is　　　 B. it is what

C. how it is　　　　 D. it is how

24.　-I hope Bill won’t come.

-_____, why did you invite him?

A. Now what　　 B. If so

C. In case　　 D. Even though

23. If this dictionary is not yours,___________ can it be?

A. what else　　　　　　　　　 B. who else

C. which else’s　　　　　　　 D. who else’s

21. Farmland _______ quickly, so they are considering _____ a programme to solve the problem.

　A. is getting lost; starting　　　　　　 B. is lost; to start

　C. is losing; starting 　　　　　　　　D. loses; to start

22 There was _____ time _____ I hated to go to school.

A. a; that　　　 B. a; when

C. the; that　　 D. the; when

20. Someone __________ (阻止) him _________ _________ _______ (說實話). So he was afraid to do so.

19. He raised his arm to _______ ________ _______ (護住臉) from the blow.

18. Do you know how to ________ ________ _______ (實施急救) if someone is bitten by a snake?

17. He suddenly ________ _________ (生病) last week and _______ ________ ______ ________ (由于疾病) he didn’t attend this important meeting.

16. I’m afraid it will rain tomorrow. ______ _______ (假如下雨的話), we won’t be able to hold our football match.

15. A: When nobody could find any, his father got some tea towels and tape from their house.

　 B: When nobody could ________ _________ ________ _______ any, his father got some tea towels and tape from their house.

C. 完成句子