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! |