选择合适的句子，补全对话。

A. Why? B. We usually have a school trip in autumn. C. When is the singing contest? D. Which season do you like best, Bob? E. You can sing some nice songs at the contest.

Amy:

Bob: l like autumn best.

Amy: 

Bob: Because we have lots of fun things in autumn.After that, we will have a singing contest and a sports meet.

Amy:l like singing songs.

Bob: It's in October.

Amy: Yeah, l will! That's great!