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(   ) 3. People_____ smoke in more public places,for our government takes more measures to control cigarettes.

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"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仁爱版 > Topic1 When was it invented?

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