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
问题描述：
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
答
Is this your sister?
Yes, it/she is.
That isn't my brother.
祝你学习进步,更上一层楼!(*^__^*)
有不会的可以再问我:）