听下面5段对话。每段对话后有一个小题，从题中所给的a、b、c三个选项中选出最佳选
项，并标在
试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下
一小题。每段对话仅读一遍。
1. what time is it now?
a. 6: 40. b. 6: 30. c. 6: 20.
2. what does the man mean?
a. they have left for the airport.
b. they are on the way to the airport.
c. they may be late for the plane.
