根据对话内容，补充对话。把答案的编号写在横线上。(5分)
Mum: Tom! Tom! It's time to get up.
Tom: _______________________?
Mum: It's about 8:00.
Tom: What? Is it 8:00 now? ________________. I am late.
Mum: Oh, Tom. Don't hurry. ____________________.
Tom: I can't have breakfast. There's no time. I must go now. I'm late.
Mum: _____________________?
Tom: For school. Classes begin at 8:00, not at 8:30.
Mum: Well, __________________? Please tell me.
Tom: It's ... It's Sunday! (Tom and his mother are laughing)