21. Let's go to the cinema tonight. I __________for you at the gate.

A. wait B. shall wait C. am waiting D. shall have waited

22. Mr. and Mrs. Smith didn't expect the house __________ so well.

A. to be decorated B. to decorate C. be decorated D. decorating

23. The United States is ***posed of fifty states, two of __________ are separated from the

others by land or water.

A. them B. that C. which D. those

24. The chemistry class __________ for five minutes when we hurried there.

A. had been on B. was on C. has been on D. would be on

25. By the time Juan gets home, his aunt __________.

A. will leave B. leaves C. will have left D. is leaving

26. The disease __________ his mind so that he lost his memory.

A. effected B. impressed C. affected D. hurt

27. The new English dictionary I bought yesterday __________me almost twenty yuan.

A. spent B. paid C. cost D. took

28. In fact he had done __________ he could to help the poor.

A. what B. which C. as D. all which

29. They discussed the problem three or four times, but could ***e to no __________.

A. end B. conclusion C. result D. judgment

30. She is very careful. She __________ very few mistakes in her work.

A. does B. takes C. makes D. gets

答案：

21-25 BACAC 26-30 CCABC