—Oh, I had a terrible toothache.

—You’d better ______ see a dentist and have your bad teeth pulled out.

A. to go to   B. going to   C. goes to    D. go to

 You should keep the window      because the room is too hot.

    A. open            B. opening          C. opened

 I think teenagers should      drive. They are not serious enough.

    A. be allowed to   B. not be allowed to       C. not allow to

 I began watching here an hour ago, but now nothing________ yet.

A. happens  B. will happen   C. happened  D. has happened

 We make it a rule that each of us________ the bedroom one day a week.

A. has cleaned   B. have cleaned   C. cleans     D. clean

 I hope Tim can come to my birthday party. Then we ________ a much happier time.

A. have   B. had  C. will have   D. have had

 You were________ to close the windows. Why were you so careless?

  A. allowed   B. believed   C. supposed    D. caused

 I find _____ hard for me _____ the work in such a short time.

A. it; finishing        B. it’s; finish        C. it; to finish   

 —When will your aunt leave for Shanghai?

—I don’t know, but I’ll call you as soon as she____. .

A. leaves           B. will leave       C. left

—What do you think of Sanya?

—Oh, it’s a beautiful city, I ____there for several times.

A. have been        B. have been to     C. have gone to