38.The work is so important that you must be careful enough mot to make any mistake. Even a small one may 　　　　　you your job.

　 A. take　　　　　　　 B. pay　　　　　 C. cost　　　　　　　　　 D. spend

37.It must have rained last night, __________?

A. mustn’t it　　　　 B. can’t it　　　 C. hasn’t it　　　　　　 D. didn’t it

36.It is ______ of time and money to build such a hotel in this small town.

A. a waste　　　　　　 B. the waste　　　 C. unnecessary　　　　　 D. worth

35.Whom ______ this pair of glasses belong to and whose _______ the glasses on the table?

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

34.At that time some scientists began to think about what use could ___ this kind of material.

　 A. make of　　　　 　　　 B. be made of　　 C. be made from　　　 　　　 D. make into

33. Private cars are not yet ________ for most of the teachers.

A.in reach　　　　　　 B.within reach　　 C.inside reach　　　　 D.out of reach

32. When he woke up, he found himself _____ in his tent, ______by some hungry wolves.

A.lying, surrounded　　 B. lie, surround　　　 C. lying, surrounding　　 D. lay, surrounded

31.Zhang Hong is said ______ by heart 2000 words up to now.

A.that she has learned 　 B.to have learned　　 C.to learn　　　　　 　　　 D.having learned

30.If this dictionary is not yours,______ can it be?

A.what else　　　　　　　 　 B.who else　　　　　　　　　　 　 C.which else’s　　 　　　 　 D.who else’S

29.I knew I shouldn’t accept anything from such a person, but I found it difficult to refuse his

________.

A. principle　　　　　　 B. purpose　　　　　 C. offer　　　　　　　 D. order