Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.

　　A. to do            B. to have done       C. to be doing        D. to have been doing

The wild flowers looked like a soft orange blanket _____ the desert.

A. covering        B. covered            C. cover          D. to cover

About 170 people _____ and dozens more _____ after a flood hit an Indonesian town last week.

A. were killed; are still missing           B. have been killed; were still missing

C. are killed; are still missing             D. had been killed; were still missing

— Sorry to have interrupted you. Please go on.

— Where was I ?

— You _____ you didn’t like your father’s job.

A. had said     B. said       C. were saying       D. had been saying

Visitors ______ not to touch the exhibits.

A. will request        B. request       C. are requesting       D. are requested

The moment I got home, I found I_____my jacket on the playground.

   A. had left    B. left     C. have left       D. was leaving

The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.

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

It was a nice house, but _______ too small for a family of live.

A. rarely       B. fairly      C. rather        D. pretty

The way the guests ___ in the hotel influenced their evaluation of the service.

A. treated      B. were treated     C. would treat    D. would be treated

31. —What_________him to do such a silly thing?

—I have no idea.

A.made          B.drove          C.brought          D.let