1.That is my grandfather.(改为一般疑问句并作否定句回答)2.Are those pens?(改为单数句)

问题描述:

1.That is my grandfather.(改为一般疑问句并作否定句回答)2.Are those pens?(改为单数句)
3.Is she your sister?(作肯定句回答)4.It's a photo of her family.(改为同义句)

Is that my grandfather?No,he isn't.
Is that a pen?
Yes,she is.
It's her family photo.