A. I walk to school. B. About fifteen minutes’ walk. C. No, it’s not very far.
5. A. I’m sorry to hear that. B. She was too careless.C. Never mind.
6. A. Thank you. B. No, not beautiful. C. Oh, you're right.
7. A. I’m Tom. B. I’ll call you later. C. Hold on, please.
8. A. Yes, I’m coming. B. Yes, I will. C. No problem.
9. A. Well done! B. Good idea! C. What a pity!
10. A. It’s autumn. B. It’s Friday. C. It’s cloudy.