1. 在每个空白处填入一个适当的句子，使对话意思通顺、完整。

A: Hi, Helen!

B: It's a photo of my family.

A:

B: He is my father.

A:

B: Yes, she is. She is my father's sister.

A:

B: Her name is Linda.

A:

B: Yes. They are my aunt's son and daughter.