( C ) 37. The windows of the room _ once    a

week.

A. has been cleaned B. is cleaned

C. are cleaned    D. are cleaning

(B )36. When we got there,the broken road_

repaired.

A. is being    B. was being

C. has been    D. /

( B )35. Great changes_place inChinasince

1978.

A. have been taken    B. have taken

C. has been taken    D. took

( D    )34. The girl was unhappy because she _

by some boys in the class.

A. is laughed    B. was laughed

C. laughed at    D. was laughed at

(B )33. Paul doesn’t have to be made _.    He

always works hard.

A. learn    B. to learn

C. learned    D. learning

(D ) 32. The light in the room _ before    you

leave.

A. must turn of    B. will turn off

C. are turned    D. must be turned off

(    A    ) 31. It snowed heavily last night. The ground

_thick    snow.

A. was covered with B. was filled with

C. was made of D. covered with

(B ) 30. The rivers smells terrible .People must     dirty things into it.

A. be stopped to throw

B. be stopped from throwing

C. stop to throw

D. stop form throwing

(c )29. You_to    the meeting, why didn’t you

go?

A. be invited    B.    will    be invited

C. were invited    D.    are    invited

(A )28. —It’s time to do your homework, Jack.

—Yes,Mum. I’ll turn off the TV as soon as

the programme_.

A. ends    B.    end

C. will be ended    D. will    end