补全对话

A. Where is he from? B. Who's that man? C. Who's that woman? D. Is he your brother? E. He's my friend, Jack.

Mike: Hi. Sarah.

Sarah: Hello, Mike.

Mike: She's my mother.

Sarah: Wow! She's beautiful

Mike: He's my father. He's a teacher.

Sarah: Who's that boy?

Mike: No, he isn't.

Sarah:

Mike: He's from the USA.