题目内容

Usually I don't allow________in my office,but yesterday I allowed him________ here.

A.smoking;to smoke B.smoking;smoking

C.to smoke;smoking D.to smoke;to smoke

 

A

【解析】答案 A [考查allow的用法。allow后接doing或者sb to do sth结合句意及句子结构可知选A项。]

 

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