This is my sister.(改为一般疑问句,并作否定回答)

This is my sister,Jenny.(改为一般疑问句并作否定回答） This is my sister.(改为一般疑问句,并作否定回答) She is my sister(改为一般疑问句并作否定回答） 把Anna is my sister改为一般疑问句并作否定回答 This is my good friend.（改为一般疑问句并作否定回答） This is my book.改为一般疑问句,并作肯定或否定句回答 This is my friend改为一般疑问句并作否定回答 This is my egg(改为一般疑问句并作否定回答 this is my pencil.(改为一般疑问句并作否定回答） This is my sister.改为一般疑问句并做肯定回答 That's my brother改为否定句 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） ①This is my sister.(改为一般疑问句并作肯定回答) ②That's my bro