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(   ) 3. People      smoke in more public places, for our government takes more measures to control smoking.'

A.    are promised to

B.    aren't refused to

C.    are supposed to

D.    aren't allowed to

3. D be allowed to do ...意为"被允许做……";由句意可知此处为否定。

题目来源:仁爱英语同步练习册九年级上册下册合订本 > Topic1 When was it invented?

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