[Q]: M: I was at home asleep. W: Asleep! I thought that you had to take an exam. M: I was sick. I had a fever. I couldn't get out of bed. W: You still look a little sick. You couldn't go back to bed. M: I'm going now. I just came here to speak to my professor. W: What did he tell you? M: He said that I'd be able to take a make-up. W: Well, that's all right then. Are you going straight home? M: I have to stop at the drugstore on the way. I need some aspirin. W: Do you think that you should walk that far? M: I have to walk. I didn't bring my car. 1 didn't think I'd be able to drive today. W: Well, take care of yourself. M: OK. Thanks. What was said before this conversation?
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[A]: W: Where were you yesterday?

[Q]: W: It was built in 1944. M: Is it the same as the computers that we use now? W: No, it was as large as a room and worked very slow. M: But computers have become smaller, and worked faster now. W: Yes. Most computers are as small as a TV set. Some can be made smaller than a book. M: Why is a computer so useful? W: It can keep much information and work very fast. M: Then they can do a lot of work for us. W: You are right. They have greatly changed our lives. What was said before this conversation?
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[A]: M: When was the first computer built?

[Q]: M: I'm sorry. There was something wrong with my bike. What was said before this conversation?
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[A]: W: You are late for work today, Mr. Brown. It's unusual.

[Q]: M: I can't complain. At least I'm out of bed. What was said before this conversation?
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[A]:
W: I heard you caught a cold. How are you feeling today?