A、12: 00. B、11: 00. C、13: 00. D、12: 30. A

W: United Development Company. May I help you?
M: I’d like to speak to Mr. Hailer, please.
W: Who shall I say is calling, please?
M: This is Mr. Dewey from the IM Company.
W: I’sorry, Mr. Dewey, but Mr. Halley is not in at the moment.
M: When will he come in, do you know?
W: I suppose he won’t be in until 12: 00.
M: May I leave a message?
W: Certainly.
M: Please ask him to give me a call as soon as he returns. He has my number.
W: Very well, Mr. Dewey, I’ll do that.
M: Thank you. Bye-bye.
8．How does the conversation take place?
9.When will Mr. Halley be in?
10.What does the man ask Mr. Halley to do?