is hard        Tom to work out the math problem.

A. This, to     B. It, for             C. This, for          D. It, to

The film       for ten minutes when we got there.

A. have begun                         B. had began        C. had begun        D. had been on

About       of the books in the school library are written in Chinese.

A. two third B. second thirds   C. two thirds        D. second third

It’s about       walk from my home to school.

A. 20 minute                            B. 20-minutes       C. 20 minute’s      D. 20 minutes’

His mother often makes him       his hands before eating.

A. wash    B. washed               C. to wash           D. washing

The room must       every day.

A. be keep clean                      B. be kept clean    C. keep clean       D. kept clean

My father       three months ago because of illness.

A. stopped to smoke                                           B. started smoking

C. wanted to smoke                                           D. gave up smoking

—Do you mind if I stay here a little longer?   —        .

A. No, you can’t                      B. Yes, you may  C. Certainly not    D. Yes, not at all

Have you decided        after school?

A.what do         B.do what       C.to do what      D.what to do

—I think students should be given strict rules.

—       . Sometimes teenagers can’t control themselves.

A. I agree  B. I don’t agree       C. I don’t think so                          D. I’m afraid not