6.Why did the young man run so fast? A.Because he wants to ask the dentist for help. B.Because he wants to say that the dentist's father was ill. C.Because he wants to say that the dentist's house was on fire.
4.What was the result after the dentist gave the young man some medicine? A.The young man began to work. B.The young man fell asleep. C.The young man went home.