A: Hi, Mark. Long time no see. Where are you going?
B: To the gym (健身房).
A: How often do you exercise?
B: a week, on Friday and Sunday.
A: .What makes you start exercising? "
B: You know, I'm too . I need to lose weights. (减肥)
A: That sounds good. I want to exercise too. But I am so that I hardly have free time.
B: Don't forget that comes first. Without it, you can do nothing at all.
A: I certainly know its . But do you know my job? I do lots ofwork every day. I have to sit in front of the computer and use the Internet all day long.
B: Well, you're busy, you should exercise more often.
A: Err...When I get back home, I am tired enough. I don't think I can dobut rest.
B: So, how often do you exercise?
A: . I really don't have any time.
B: Oh, I have to say, when you're old, many illnesses will come to you. Those are the of not exercising.
