1. 用方框中所给单词的适当形式填空，使对话通顺、正确。每词仅用一次(每空一词)。

you      have      she      they      grandparent

A: That's my family. Those are my  .

B: Who is she?

A: She is my mother.

B: Who're ?

A: They're my brothers.

B: Is she sister?

A: Yes, she is.

B: What's name?

A: Lily.

B: Oh! I see.a good day.

A: Thanks! You, too.