问题 选择题

Tell Mary there is someone __________ for her at the door.

A.wait

B.to wait

C.waiting

D.waited

答案

答案:C

题目分析:句意:告诉Mary有个人在门口等她。Waiting for her at the door为现在分词作后置定语,修饰

Someone。因为someone和wait之间为主谓关系,故用现在分词表主动。故选C。

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