【题目】Where does the conversation probably take place?
A.At an airport.B.In a post office.C.In a shopping center.
在线课程【答案】B
【解析】
【原文】
M:Good morning! Can I help you?
W:Yes,I want to send a couple of letters to England.
M:Sure.It is $8 by surface mail and $26 by air.
W:I want to send these two by air mail,and this one by surface mail.