题目内容：

根据对话情境，用正确的句子补全对话。

A: Hi, Kate! 1.____________________?

B: It is a photo of my family.

A: 2.____________________?

B: He is my father.

A: 3.____________________?

B: Yes, he is. He is my father’s brother.

A: 4.____________________?

B: His name is Jack.

A: 5.____________________?

B: Yes, they’re my uncle’s son and daughter.