A. Yes, I am. B. No, I'm not. C. Well, I find it rather strange. D. I cannot find it.
A. No, thanks. B. Yes, please. C. That's very kind of you. D. OK, let me show you.
A. Please send it. B. Please e-mail it to me. C. Please don't. D. Thanks a lot.
A. Oh, my computer is down. B. It doesn't matter. C. I think it's OK. D. Never mind.
A. It's a good number. B. So what? C. Oh, I've changed my number. D. How interesting!
A. It's not bad. B. Well, I prefer Nokia. C. I'm going to buy a cell phone. D. It's true they are famous.
A. Well, I'd prefer to call later. B. You'd better not. C. Thank you all the same. D. That's all right.
A. No, thank you. B. Yes, go ahead. C. I'm not sure. D. Yes, I think so.