听句子,选择正确的答语. ( )1. A. All right. ( )2. A. It's here. ( )3. A. How are you? ( )4. A. He's a teacher. ( )5. A. Sorry. B. That's all right. B. It's ear. B. How do you do? B. He's fine. B. Excuse me. C. Yes, OK. C. It's brown C. Good moming. C. He's forty. C. Thanks. D. Thank you. D. Yes. D. It's OK. D. He-s here. D. I-m a teacher.