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题目
Helen is my friend.(改为一般疑问句并作否定回答) This is my jacket.(改为复数句)
Helen is my friend.(改为一般疑问句并作否定回答)
This is my jacket.(改为复数句)
Those are his sisters.(改为单数句)

提问时间:2020-07-27

答案
Helen is my friend.(改为一般疑问句并作否定回答)IS Helen is your friend?No,she isn't.This is my jacket.(改为复数句)Those are my jackets.Those are his sisters.(改为单数句)This is his sister....
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