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!
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