补全对话。
A: Hello, Betty. The examination is over. What are you going to do tomorrow?
B: I'm not sure. 1______?
A: I want to go to the Science Museum.
B: Why do you want to go there?
A: 2______.
B: That sounds interesting.
A: 3______?
B: Yes, I'd love to.
A: Great! I'm sure we'll have a great time.
B: 4______? I want to take some photos.
A: I'm afraid you can't. We are not allowed to take photos inside the museum.
B: Got it. Oh, 5______?
A: At the gate of the museum. Be sure to get them before 9 o'clock.
B: OK. See you then.