【题目】
A. At an airport.B. On a plane.C. On a bus.D. In a department store.
在线课程【答案】B
【解析】
M: Excuse me, but I’m not feeling quite well. I think I’m going to throw up.
W: There is an airsickness bag in front of you, sir.
Q: Where does the conversation most probably take place?
此题为听力题，解析略。