从方框中选择恰当的选项,补全对话。(有两项多余)
A: Mary, it's your bed time. 1
B: Oh, Mum! 2 It's Friday evening and it's still early.
A: Yes. Tomorrow we have to get up early to catch the train to your grandpa's.
B: 4 OK, I'll go to bed right now. 3 Oh, Mum, do I have to brush my
teeth before I go to sleep?
A: 5 And don't forget to close the bedroom window.
B: I won't. Good night, Mum!
A: Good night!![](https://media.youtike.com//ques/201209/20/608bf9f0-e196-4e56-9f7d-26f0b24e1af4/image001.png)