题目内容：

she is her sister的否定句,一般疑问句,肯定否定回答,变复数,划线提问是什么?划线是her sister,块块

优质解答

she isn't her sister
Is she her sister?Yes,she is No,she isn't
They are their sisters
Who is she?

追问：

那They are my uncles呢？它的这些回答呢？那个变复数改成变单数