联系上下文，补全对话，选项有多余项。

A. He's my cousin. B. What are you going to do tomorrow? C. See you next week. D. I'm going to do my homework and read books. E. Are you going to watch it? F. Where are you?

Sarah: Today is Friday. There is a dinosaur show tomorrow afternoon.

Mike: Sure. But I have to visit my grandparents first.

Sarah: I'm going to see a play with my parents in the morning. How about you, John?

John:

Sarah: You are a good boy. I'm going to do my homework on Sunday.

Mike: Would you like to watch the dinosaur show with us?

John: Sorry. Tomorrow afternoon I'm going to have a picnic with Sam.

Sarah: Sam? Who's he?

John: He's from the UK.

Mike: Oh, have a good time.

John: Thank you. Bye!

Mike: