18.The doctor was _______ immediately the boy fell off the ladder and hurt himself.

A. sent for B. cared for C. asked for D. called for

19.________much money one possesses, it can’t ______a healthy body.

A. How , match B. However, compare

C. No matter , defeat D. However , match

20. _______the influence of parents is important to children is _____ to many.

A. That , known B. What, clear C. How, obvious D. Why, concerned

21. The mayor of Beijing says that all construction work for the Beijing Olympics _____ by 2006.

A. has been completed B. has completed

C. will have been completed D. will have completed

22. ______ two exams to worry about, I have to work really hard this weekend.

A. With B. Besides C. As for D. Because of

23. .It is recommended that the machine ______ together in no time.

A. will be put B. must be put C. be put D. ought be

24. ______, judging a man only on the basis of the appearance can lead to false judgment.

A. On all sides B. In all C. To be exact D. In general

25. Grammar is _____ a language ______ law is to a country.

A. for , as B. to, that C. to, what D. towards, which

26. ----Go for a picnic this weekend , OK?

----_______ .I love getting close to nature.

A.I couldn’t agree more B.I’m afraid not

C.I believe not D.I don’t think so

27. It was back home after the experiment .

A.not until midnight did he go B. until midnight that he didn’t go

C.not until midnight that he went D. until midnight when he didn’t go