A. How do you do? B. Good morning. C. I'm fine. D. It's very nice.
A. Great. Thank you. And you? B. Yes, I am. C. How are you? D. How do you do?
A. Yes, I'd like to. B. Never mind. C. I'm from Beijing. D. Nice to meet you.
A. You're welcome. B. Certainly. C. I'm Helen. Nice to meet you. D. Go ahead.
A. Pleased to meet you. B. I'd love to. C. It doesn't matter. D. Not at all.
A. Thank you. B. Good luck. C. Yes, fine. D. I don't think so.