A. Customer and assistant.
B. Father and daughter.
C. Dentist and patient.
D. Teacher and student.
A. People should have taken things more seriously.
B. People should avoid being killed unexpectedly.
C. People should have made greater achievement.
D. People should not idle away their life.
W: Have you found anything wrong with my teeth?
M: Not yet. I'm still examining. What brand of toothpaste do you use,anyway?
Q: What is the probable relationship between the man and the woman?
W: I firmly believe those who kill time will only end up with time killing them.
M: Well said. If one loafs around without being serious in doing things, nothing great will come to them.
Q: What point are the speakers making?