1. 阅读判断。
Sarah：Hello，Mike.
Mike：Hi，Sarah.Who's that man?
Sarah：He's my father.
Mike：Is she your mother?
Sarah：No，she's my grandma.
Mike：She's young.What about the boy?
Sarah：He's my brother.And the girl is my friend，Amy.

1. （1） The man is Sarah's father.
3. （2） The woman is Sarah's mother.
5. （3） The boy is Sarah's brother.
7. （4） The girl is Sarah's sister.