根据情景会话排序，并把标号写在横线上。
A. Let's go on a trip tomorrow.
B. Hi, Li Ming.
C. Where are you going?
D. OK, let's go.
E. Beijing is so great.
F. I am going to go to Beijing.
G. How much is a ticket?
H. When does a train leave?
I. Hi, Mum.
J. It's about sixty yuan.
K. It leaves at ten in the morning.
正确的顺序：
