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　　Today more and more people live in cities. So there is usually 　1　 in a city to grow food. Most of the land in a city is used 　2　 hones, shops, roads and parks. Most food for city people is grown in the country. It is often brought to the city by 　3　, train and plane. Some food 　4　 come into the city by car.

　　Do you live in a city? If you 　5　, think of all kinds of food you eat in a day. All of the food 　6　 the country. The wheat(小麦) for your bread is grown on farm in the country, so are vegetables.

　　Water is another thing that cities get from the country. Everyone reeds water everyday. We use a little of it for 　7　. Bur we use even more to 　8　 bathtub(浴缸), run showers(沐浴) and wash streets.

　　The water used by cities comes mostly from rain. But people 　9　 not use the rain that falls on cities: The rain becomes dirty as it falls 10 dirty air.

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