根据对话的逻辑关系按正确顺序排列对话。
第一个答案已给出。
A. Next, when is the volleyball game?
B. The school trip is June l st and 2nd.
C. Vera, can you help me fill in the calendar(填写日历)?
D. My birthday party is May 28th.
E. The volleyball game? Oh, it's April 25th.
F. Yes, of course.
G. Good. How about the school trip?
H. First, when is your birthday party?
I. Thank you very much.
正确顺序是：C_________________________________