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)

问题描述:

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)

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....