一Have you returned the book to him ?一Yes. I have returned it．A. yet; yet B. already; already C. yet; already D. already; yet C [解析]试题分析:yet和already都可以表示已经.还得意思.却别是前者用于疑问及否定句当中.后者用于肯定句当中.结合语境可知前题目和参考答案——青夏教育精英家教网—

题目内容

一Have you returned the book to him _______?

一Yes. I have _______ returned it．

A. yet; yet B. already; already C. yet; already D. already; yet

C 【解析】试题分析：yet和already都可以表示已经，还得意思，却别是前者用于疑问及否定句当中，后者用于肯定句当中。结合语境可知前文是疑问句，下文是否定句，故选C。

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