...钩是肯定回答 简介： Is she your sister(否定回答) No,she. isn't.

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... That is my aunt. (改为一般疑问句) Is she your sister (作肯定回答) This is an English map. (改为复数句) ...

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【小题3】Is she your sister? (作否定回答)No,                 .【小题4】 This is my computer.

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