题目内容：

—Your sister isn't a nurse,is she?—_A____.She teaches English in a middle school .
A No,she isn't B Yes,she is
C Yes,she isn't D No,she is

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这种题目你只要分清它问的内容就可以了题目问的是你的姐姐是护士吗?不管这个问题是以肯定还是否定的形式提出肯定形式：Your sister is a nurse,isn't she否定形式：Your sister isn't a nurse,is she只要你的回答是...