David: Susan, you like sports, dont you?
Susan: Yes. I have sports every afternoon.
David: Do you often go swimming?
Susan: Yes, I go swimming once a week.
David: I used to swim at middle school, but I dont have time any more.
Susan: Thats too bad! Exercise is very important.
David: I know. I am getting fat, you see. Anyway, I dont want to be heavy.
Susan: Well, Im going to swim this afternoon. Do you want to go with me?
David: OK! I really need more exercises. When and where shall we meet?
Susan: How about three oclock, at the swimming-pool?
David: All right. Good-bye!
Susan: Good-bye!