1. How long will the man wait for the post office to open?
A. Fifteen minutes. B. Half an hour. C. An hour.
2. When did the plane to Shanghai take off?
A. At 12:25. B. At 12:30. C. At 12:35.
3. How does the woman usually contact her friends?
A. By letter. B. By telephone. C. By e-mail.
