1. (2021·山西) 补全对话

（The friends are talking about a speech competition.）

@Dale Hello. @Amy I'm preparing for a speech competition. @Dale, @Joe About celebrating the 100th anniversary of the founding of the CPC (中国共产党成立100周年). But I'm not well prepared. Do you need any help? Yes. How about telling the story of the CPC-led Red Army?    I will have a try.  I believe you can do a good job.       @Amy@Joe Thanks a lot.

A. Good luck!

B. I don't think so.

C. What's it about?

D. That sounds great.

E. What are you doing now?

F. When is the competition?

G. I'm not sure what I will talk about.