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【题目】She asked me _______ I had returned the books to the library, and I admitted that I hadn’t.

A. when B. where C. whether D. what

【答案】C

【解析】试题分析:句意:他问我是否已经把书还给图书馆了,我承认。我还没有还。A.什么时候;B.

在哪里;C是否;D.什么。根据句意,故选C。

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