听句子,选择正确答语。每个句子读一遍。 ( )1. A.I'm sorry to hear that. ( )2. A.I'm afraid he is busy now. ( )3. A.Chinese food. ( )4. A.I'm OK. ( )5. A.That's all right. B. Don't worry. B. OK, here you are. B. Basketball, of course. B. I can't fall asleep. B. Very good. C. That's a good idea. C. He is glad to do it. C. P.E. C. I must go to see the doctor. C. Not at all.