A. Hold the line, please. B. Go ahead, please. C. Yes, you do. D. Yes, he is in.
A. Tonight. By air. C. With my friend. D. On business.
A. Hotel guest. B. Conductor. C. Receptionist. D. Waiter.
A. Jack can't answer the call. B. The man has misdialed. C. The woman doesn't like Jack. D. Jack has got the wrong number.
A. In the lecture hall. B. In the meeting room. C. In the office. D. In the laboratory.