题目内容：

A: Is this a photo of your family?

B: Yes, it is.

A : _____1.____

B: Yes. She is my sister, Kate.

A: Where are you ?

B: Look at that boy! ____2._____

A: Are those your parents?

B: _____3.___I love my parents.

A: ____4._____

B: It’s my dog. _____5.___