听力原文:W: You have a telephone call, Mr. Smith. M: Who is it? W: He didn't say. M: Tell him I'm not in the office. Say I'll be back by four o'clock. W: All right. Hello, sir... ? M: Yes? W: I'm afraid he's just stepped out of the office. May I ask who's calling? M: Yes, this is Edgar Davis from Boston. W: Oh, yes, Mr. Davis. I am afraid he won't be back until four o'clock. Could you give me your number, please. M: Yes. What does Mr. Smith tell his secretary to say?