补全对话
请从A-G中选出五个句子完成对话，其中有两项多余。
A: Hello, Helen. The happy summer vacation is coming. 1
B: Yes. I’m not busy at all. I’ve just finished my homework.
A: 2
B: I have 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.学I]
B: I agree. 5
A: At the gate of our school at nine in the morning.
B: OK. See you then.
