1.A.No, I’m not. B. Yes, I can. C. Yes, it is
2.A.That’s a good idea. B. I hope so C. I don’t know.
3.A.Help yourself. B. Have a good trip. C.You’re right
4.A. No problem. B.That’s all right. C.I agree with you.
5.A.Heis a doctor. B.It’s a hospital. C. Parden?
6.A. They are good. B.Thanks. I will. C.It’s my pleasure