听力原文:M: How much is an airmail letter to Japan?W: I'll have to check. Can I help you w
听力原文:M: How much is an airmail letter to Japan?
W: I'll have to check. Can I help you with anything else?
M: I'd like a 20-cent stamp, please.
W: There you are.
Where are the two speakers?
A.In a bookstore.
B.On a bus.
C.At a post office.