A. are B. have C. has D. is

23. Theis is one of the most interesting questions that ____ asked.

　A. have B. has C. have been D. has been

24. Many a man ____ come to help us.

A. have B. has C. is D. are

25."All____ present and all____ going on well," our monitor said.

　A. is; is B. are; are C. are; is D. is; are

26. The police ____ the murderer everywhere when he suddenly appeared in a theatre.

　A. is searching for B. were searching for

　C. are searching for D. were searching

27.Your trousers____ dirty. You must have____ washed.

　A. is; il B. are; it C. are; them D. is; them

28.This pair of trousers ____ too long for him.

A. is B. be C. are D. were

29. One and a half bananas ____ left on the table.

A. is B. are C. has D. have

30. Eight times eight ____ sixty - four.

　A. is B. are C. get D. equal

第三部分：练习答案

1~5 AAACA 6~10 CBDAD 11~15 ACABA 16~20 AABDB

21~25 ADCBC 26~30 BCAAA