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Joe：What do you do on weekends?
David：Well, I usually have to study on Saturdays.
Joe：And how about Sundays?
David：Well, we have lunch together. You know, all of the members of my family. Then after lunch, I go to the park and meet my friends.
Joe：Oh? What do you do there?
David：We play football. After that I usually go to see a film outside the city.
Joe：Do you often go out of the city?
David：About once a month. My uncle has a small farm.
Joe：It's nice. Do you go alone?
David：No, my mum, my two sisters and some of my friends go there, too.
Joe：But why do you go there?
David：Many things: green trees, clean air, and there are few people.