1. A. Yao Ming B. Liu Huan C. Zhou Jielun
2. A. You should see a dentist. B. You can have a good sleep.
C. You must drink some juice.
3. A. OK. B. Of course. C. Not at all.
4. A. Speaking. B.I am John. C. He is John.
5. A. Seldom. B. Once a year. C. Every four years.