Q: W: You have a point. Air pollution is a problem. But not letting people drive on certain days is a bad idea. People have to go to work by car. M: I'm afraid I don't agree with you there. Reducing air pollution is really important. People are so used to driving that they don't think about ways to do things. If we stop them from driving on certain days, maybe they could think of new ways to get around. W: I see your point. But I still think it wouldn't be possible to stop people from driving. What was said before this conversation?
A: M: Air pollution is so bad in this city. I think the government should stop people from driving cars on certain days.

Q: Daughter: Hi Dad. I love you. Dad: Ah, the three magic words: I NEED HELP! I've heard those before. Daughter: Uh, Well, we'd better sit down. Dad: Uh, this doesn't sound good. Daughter: Well, first of all ... hey, is that painting on the wall new? Dad: No, no, no, no, no. Let's get back to the conversation now. Daughter: Okay, first of all, I am failing all of my classes, I lost my job, I wrecked my car, I mean, your car last week. It's at the bottom of the lake ... I think, and the laptop I borrowed from you ... well, it was in the backseat of the car. That's all of the good news. Dad: Uh, wait ... Daughter: Dad. You're not saying anything ... Dad: Okay. Now, what's the bad news? Daughter: Well, I just found out that my old boyfriend was a member of a gang; he says that he and 20 of his friends are gonna come over here to talk to you about what you posted on their Facebook page. Dad: I don't even know how to use Facebook! Daughter: Well, you do now. I have to go. I'd rather not be here in about 20 minutes. Love you. Bye. Dad: Ugh!! What was said before this conversation?
A: Dad: Hey. Uh, what are you doing home this weekend? I thought classes didn't end until next week.

Q: M: Oh! Hi, Laura. What are you doing here? W: Uh, I'm usually here on weekends. It's my uncle's shop. So you are looking for a bike? M: Yeah. Now that the weather is warming up, I thought I should get some exercise instead of taking the bus all the time. W: Well, that's a good idea and you come to the right place. Do you know what you like? M: Well, I don't want a racer or a touring bike or anything like that. Mostly I'll just be using it to get me back and forth from work. W: How far is that? M: About four miles. W: Are there a lot of hills on the way? M: Some, I guess. But maybe I should tell you at first that I only got 150 dollars. Can I get anything decent for that? W: Well, you are not going to get anything on the top of the line. But we do have a few trade-ins in the back that are in good condition. M: That sounds good. W: And you are right. For the kind of ride you are going to be doing, the most important thing is comfort. You want to make sure it's the right height for you? Follow me and I'll show you what we've got. What was said before this conversation?
A: W: Hi, John.

Q: W: Yeah, I went to Qingdao and just came back yesterday. M: Really? Did you go to see the Qingdao Olympic Sailing Center? I thought you were just shooting the breeze when you said you would go. How is it? W: It's really amazing. During the 2007 Qingdao International Sailing Games, around 5,000 people came out to watch the competition every day along the seawall. M: Newspapers say the design received high praise from the International Olympic Committee. The venue will be used for the 2008 Olympic Games. W: Fortunately, I have been there already. It's a pity you're not going to see it. M: Although I know my chances of getting an Olympic sailing ticket are slim, I'll keep trying anyway. Otherwise, I'm sure you'll nag me to death telling me about your experience there. What was said before this conversation?
A:
M: Hi. You're in the pink today. You must have had a nice new year holiday.