完成对话
通读下面的对话,然后根据上下文补全对话。(共5小题,计10分)
A: Excuse me. Can you tell me where I can buy some stamps?
B: Sure. You can go to the post office.
A: ?
B: Go down this street. It’s on the left next to a library.
A: ?
B: Yes. It’s a little far from here. You’d better take a bus.
A: ?
B: No. 5 bus.
A: ?
B: It takes about twenty minutes.
A: Thank you.
B: .