根据所给对话，在文中空缺处填写适当的内容，使其完整、正确，每空词数不限。

David: Good afternoon, Jenny.

Jenny:  .

David: What's this?

Jenny:  .

David: A picture? Let me have a look. ?

Jenny: My sister.

David: Is this girl your sister, too?

Jenny: . She's my cousin.

David: What about this man? Is he your father?

Jenny: No, he isn't. .

David: You have a happy family.

Jenny: Yes, I love my family.