听力原文:M: Good morning. May I help you?W: Good morning. I'd like to get three 50-cent st
听力原文:M: Good morning. May I help you?
W: Good morning. I'd like to get three 50-cent stamps.
M: Here you are. One dollar and 50 cents in all, please.
Where are they?
A.In a bank.
B.At a post office.
C.In a department store.