1. What can we know about the woman?

¡¡ A. She had to work late.    B. She failed to see Henry.        C. She had a traffic accident.

2. What does the man mean?

   A. He wonders why the woman is here.

   B. He himself is Dr Johnson.

   C. The doctor will be here soon.

3. What is the man?

   A. A reporter.                 B. A patient.            C. A scientist.