看图完成对话。
(Alan and Kate are brother and sister.Kim is Alans friend. )
Kim: Hello, Alan.
Alan: Hello, Kim.This l . _____ my 2._____ , Kate.
Kim: Nice to meet you, Kate.
Kate: Nice to meet you,too. Look! This is a photo of my family.
Kim: Oh,are 3._____ your parents?
Kate : Yes , they are.
Kim: Is this your brother Alan?
Kate:No, 4._____ isn't.He's my aunt's son.
Kim: I see. He is your 5 ._____ .
Kate: Yes, you are right.
