W: Well, this must be the National Library.
M: I guess so. Oh no! I don’t think it’s open today. Look. It says "Closed Tuesdays" .
W: Well, we’ll just have to come back tomorrow.
M: But we’re supposed to go on that tour tomorrow.
W: Oh. that’s right. I forgot all about it. How about the day after tomorrow then
M: It’s OK with me.
M: I’m afraid I must be going now.
W: Must you It’s still early.
M: I’m afraid I really must. I have to meet a midnight plane.
W: In that case, we can’t keep you.
M: Well, thank you very much for a pleasant evening.
W: Thank you for coming. You must come again.
M: Thank you. I will. Goodbye.
W: Goodbye. I wish you a very good journey home.
M: I waited until 10:20 for you.
W: I must have arrived 8 minutes after you left.
W: David, I must say sorry to you.
M: Why
W: Do you remember I borrowed several magazines from you last week
M: Yes, I lent you three magazines that day.
W: But today I only can find two of them. I lost one. I’d pay it for you.
M: It doesn’t matter. They are only some old magazines. You don’t return them to me if you can’t find them.
W: But I really sorry for being so careless. I can buy another new magazine for you.
M: No, I don’t want to hear anything like that. Let’s talk about anything else
W: I really must go now, because I have an exam this morning.
M: Then you mustn’ t be late. Maybe you should ask your father for a ride.
W: You must have been driving too fast.
M: No, I crashed into the tree because I was trying not to hit a box that had fallen off the truck just ahead.
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