Problem: M: Yes. I received his invitation this morning. But he didn't tell me what time the party will begin. W: I'll ring him up and ask him about it. How will you go to his party? M: I'll drive to his party after work. Would you like to take my car there? W: I would be glad to. Thank you. What was said before this conversation?

A: W: Tomorrow is Mike's birthday. I have just received the invitation to his party. Did Mike invite you, too?

Problem: M: I'm twenty-eight years old. What was said before this conversation?

A: W: How old are you now?

Problem: W: Professor Donner, are you giving your Advanced Geology course next semester? M: Yes, I'm planning on it. W: Could I be enrolled in it? I know it's a graduate course and I'm only a junior, but... M: Aren't you a bit young? I've allowed qualified seniors to take the course and they usually have a hard time keeping up. W: I know. But the geology of the American West is my favorite interest and I've done a lot of reading in the field. Last semester I took Professor Burman's course and I didn't find it really challenging enough. M: I see. You certainly aren't one of those students who are out for easy grades. W: I should say not. I really want to learn something. M: Well, I'll speak to Professor Burman. If he thinks you're ready, I'll let you enroll. W: Oh, thanks. That's really very kind of you. What was said before this conversation?

A: M: Come in, please. What can I do for you?

Problem: M: It was lying under a tree between the language lab and the library building. W: How do you like this bag? M: Yah! It's strong and wonderfully designed. W: How much is it? M: 69 dollars and 50 cents. W: I'll take one tomorrow. Oh. It's 6:30. I know the station gives the news every hour on the hour, but I don't know when they announce the weather. M: Ten minutes to and ten minutes after the hour. W: I see. What was said before this conversation?

A:
W: Where did you say you found your schoolbag?