30. ---Where is Lucy?

　 ---I can’t say for sure where she is, but she ______ be out shopping.

　 A. can　　　　 B. should　　　　 　C. must 　　　D. may

29. Don’t mention that at the beginning of the story, or it may _________ the shocking ending.

　 A. give out　　　 B. give away　　 C. give up　　 D. give off

28. I strongly suggest that the information ______in my report _____to Mr. Brown without delay.

　　　 A. to be referred to; to be e-mailed　　　　　　 B. referring to; e-mail

　　　 C. referred to; be e-mailed　　　　　　　　　 D. being referred to; being e-mailed

27. __________ how to express the idea in English ,he turned to the dictionary.

　A .Does not know　　 B. Not knowing　　　 C. Knowing not　　　 D .Not to know

26. The most important thing to ________ in mind when dealing with an emergency is to stay ___________.

A remain ; calmly　　 B. make ; calm　　 C. keep ; silent　 　D .keep ; calm

25. While the weather is fine, I must _______ the house repairs.

　　　 A. get down to　　　 　 B. stick to　　　　 C. get used to　 D. look forward to

24. We really hate ______ if you treat your roommates so rudely.

　 A. that　　　　 B. this　　　　　　 C. it 　　　 D. which

23. ______more about university courses, call (920) 746-3789.

　　　 A. To find out B. Finding out　　　 C. Find out　　 D. Having found out

22. As an experienced doctor, he usually judges the patients’ illness according to the __________ and gives them some medicines.

　　　 A. signs　　　　　　　　 B. symptoms　　　　　　　　 C. signals　　　　　　　　　　 D. marks

从A、B、C、D四个选项中，选出可填入空白处的最佳选项。

21. ---I’d like to invite you to dinner this weekend.

　 ---________.

A. Oh, no, please don’t

B. I’d rather stay at home

C. Oh, thanks. That’ll be too much trouble

D. I’m sorry, but I have other plans