1. 根据对话内容, 在每个空白处填入一个适当的句子, 使对话完整、合乎情境。

A：Li Hua, is this a photo of your family?

B：Yes, it is.

A：?

B：That's my mum.

A：?

B：She is a teacher.

A：Is this your dad?

B：Yes. It is.

A：?

B：Yes, he works at a small hospital.

A：Is this your sister?

B：. That's my cousin.

A：?

B：Her name is Gao Min.