根据对话内容，从所给的七个选项中选出可以填入空白处的最佳选项，使对话内容完整，有两项为多余选项。

Tony: Hi, Tony speaking. 

Daming: Hi, Tony.  Do you want to go to the museum this weekend? There will be an exhibition there. 

Tony: What's the exhibition about?

Daming: It's about animals in danger and what the government is doing to protect them.

Tony: I'm doing my homework about that. What time will it start?

Daming: At eight o'clock.

Tony: 

Daming: At half past seven, outside the school gate. 

Tony: OK. 

Daming: See you. 

A. Let's go.

B. So what time shall we meet?

C. See you then. 

D. Oh, I'd like to see it.

E. What's the matter?

F. This is Daming. 

G. Oh, it's very nice of you to ask me.