阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话。 A. Would you like to see some old things with us? B. I will help my parents do much housework. C. When and where shall we meet? D. How shall we get there? E. What are you going to do? F. Are you free tomorrow? G. We'd better stay at home. A: Hello, this is Kangkang here. Is that Helen? B: Yes. speaking. (     )A: Helen. The happy weekend is coming. 1______ B: Yes. I'm not busy at all. I've already finished my homework. (    )A: 2______ B: I've no ideas. What about you? (    )A: Let me see. We'd better do something interesting and helpful. 3______ B: Certainly. Where? A: In the new museum. (    )B: Oh, I remember. I heard of it last week. 4______ A: By bike. It's Saturday tomorrow. The traffic must be heavy,I think. (    )B: I agree. 5______ A: At the gate of our school at nine in the morning. B: OK. See you then.