Question

That is my grandfather.(改为一般疑问句并作否定回答）

Answer 1

Is that your grandfather?
No, it/he isn't.

上面的错了，主语是that，在教科书上一般用it指代，但是用he也行。

祝你学习进步，更上一层楼！(*^__^*)
有不会的可以再问我:）

追问

Are those pens?(改为单数句）2.Is she your sister?(作肯定回答）3.It's a photo of her family.（改为同义词）

追答

1. Is that a pen?
2. Yes, she is.
3. It's her family photo.

追问

谢了

追答

谢谢会采纳不？

Answer 2

Is that your grandfather?
No，he isn't
指人确定性别一般不用it
有不会的可以再问我

追问

Are those pens?(改为单数句）2.Is she your sister?(作肯定回答）3.It's a photo of her family.（改为同义词）

追答

Is that a pen?
Yes, she is
It's a family photo of hers

Answer 3

Is this your grandfather? No, this isn't.

追问

Are those pens?(改为单数句）2.Is she your sister?(作肯定回答）3.It's a photo of her family.（改为同义词）