1. What does the man speaker suggest the woman do?
A. Open the door carefully. B. Have John fix the lock. C. Fix the door in time.
2. What’s the probable relationship between the speakers?
A. Husband and wife. B. Teacher and student. C. Boss and secretary.
3. What was the lecture about?
A. Effective ways to give up smoking. B. The harmful effects of second-hand smoke.
C. Prof. Smith’s new invention.
