1. How much should the man pay?
A. $5 B. $5.5 C. $8
2. What does the woman mean?
A. The professor will give a lecture about Peace.
B. The man should go to the lecture with her.
C. The professor's lecture is popular to students.
3. What can we learn about professor White?
A. He looks sick when suffering cancer.
B. He must be optimistic in life.
C. He is healthy without any disease.