补全对话

Nancy: Hi, David. Welcome to my home.

David: Wow, Is this your family photo?

Nancy: Yes. This is my mother.

David: Wow, she looks young.

Nancy: She is a head teacher.

David: Is your father a scientist?

Nancy: He works in the Sports University.

David: Cool. Does he play sports every day?

Nancy: Yes, He often joins in the running races.

David: Great. He has a very healthy life.

Nancy: Yes, she is. Look, she's drinking milk now.

David: How cute!