Problem: M: I know, this is another routine mission. It is first flight with four years ago. What was said before this conversation?

A: W: The space shuttle is taking off tomorrow.

Problem: M: I don't know. All of a sudden, the engine died. W: Well, can you start it? M: No...No, it won't start now. W: Could we be out of gas? M: No, I'm sure we are not out of gas. W: Let's check the gas gauge. Oh, see, it's on "empty". M: I was sure the tank was half full! W: Obviously, it wasn't. Well, too bad. M: What time is it now? W: It's five to eight. I am afraid we can't get to the airport on time. He's probably looking for us right now. M: Let's stand by the side of the road for a few minutes. Maybe somebody will stop and pick us up. What was said before this conversation?

A: W: What's the matter?

Problem: M: Oh, I planned to take the 8:50 train. But the manager phoned me at about 8:15 and asked me to deal with something urgent. When I finished it, it was already 9:50. W: So you had to take the 10:30 train. Right? M: Yes. But when I hurried to the railway station, I was told the train would be delayed for fifteen minutes. What was said before this conversation?

A: W: When did you leave for Beijing last Sunday?

Problem: M: Unfortunately, I got home too late to watch it. What was said before this conversation?

A:
W: How did you like the President's speech on TV yesterday evening?