情景交际。从A-G选项中选出能填入空白处的最佳选项，补全对话（有两项多余）。

(A man wants to buy a ticket at the station. M is for man. A is for assistant.)

A: Good morning! Can I help you, sir?

M: 1_____ Could you tell me the time of the last train to Beijing this evening?

A: There's one at 8:30. But I'm afraid all the tickets have been booked already.

M: 2_____

A: The first train leaves at 9:15.

M: 3_____

A: It arrives at 12:30. But may be a little late because of the bad weather.

M: OK! 4_____

A: Eighty yuan and half of it for a child below 12.

M: 5_____ I'd like two tickets and another one for a child at the age of ten, Here is the money.

A: Thank you!

A. How much does a ticket cost?

B. Yes, please!

C. How to get a ticket, please?

D. Can you tell me when it arrives in Beijing?

E. All right.

F. Then the time of the first one tomorrow morning?

G. You are welcome.