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It is widely ______that smoking can cause cancer.

   A. believed   B.  think     C. say        D. hoped

Then arose the question _________ we were to get so much money.

A. where   B. that   C. about which   D. in which

. ___ is a fact that English is being accepted as an international language.

A. There           B. This           C. That          D. It

 I was really anxious about you. You ______ home without a word.

  A. mustn’t leave        B. shouldn’t have left    C. couldn’t have left      D. needn’t leave

.－How about paying a visit to Mr. Richardson, our former history teacher?

 －Good idea. I will e-mail him today so he ______ know ______ to expect us.

  A. shall; why             B. may; when               C. would; why                     D. will; how

Peter __ _ come with us tonight, but he isn’t very sure yet.

A. must               B. may               C. can                       D. will

The book __ by him is difficult __.

  A. wrote; understanding         B. written; to be understood

  C. writing; understand         D. written; to understand

Time________, I can have done it better.

A. permit              B. be permitted            C. permitting               D. to permit

As a boy, he was_______ hard all day long.

　　A.made to work    B.to make working       C.made working    D.to make work

There is a big dog_______to a fence outside the house.

　　A.tying   B.tied            C.to tie   D.ties