单项选择题
Conversation 1
[听力原文]6-7
M: Hello. May I speak to Bob
W: I’m sorry, but he left a few minutes ago.
M: That’s too bad.
W: Will you phone him again tonight
M: I’m sorry, but I won’t be free tonight.
W: Can I take a message
M: It’s very kind of you. There will be a lecture on English history by a famous professor at 2:30 tomorrow afternoon in the lecture hall. Please tell Bob not to be late.
W: Sure, bye.
M: Bye.
A．To tell Bob he won’t be free tonight.
B．To ask whether Bob has left or not.
C．To tell Bob there will be a lecture tomorrow afternoon.
D．To ask Bob whether he will be free tonight.