题目内容：

根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。

A: Hello, Betty. The examination is over. What are you going to do tomorrow?

B: I’m not sure1.                                                  ?

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.