Todaymoreandmorepeopleliveincities.Sothereisusuallylittleroominacitytogrowfood.Mostofthelandinacityisused1homes,shops,roadsandparks.Mostfoodforcitypeopleisgrowninthecountry.Itisoftenbroughttothecitybytruck,trainandplane.Somefood2comesintothecitybycar.
Doyouliveinacity?Ifyoudo,thinkofallkindsoffoodyoueatinaday.Allofthefood3thecountry.Thewheatforyourbreadisgrownonfarminthecountry.Soare4.
Waterisanotherthingthatcitiesgetfromthecountry.Everyoneneedswatereveryday.Weusealittleofitfor5.Butweuseevenmoretofillbath-tubs(浴缸),runshowersandwashstreets.
Thewaterusedbycitiescomesmostlyfromrain.Butpeoplecannotusetherainthatfallsoncities.Therainbecomesdirtyasitfallsthroughdirtyair.Onceithitscitybuildingsorstreets,therainwill6moredirt.Itisn'tgoodfordrinkingorbathing.
Sothecitiesmustreachouttothe7countryforwater.There,therainfallsthroughairontotreesandgrass.Thefallenrainrunsintoriversandlakes.Soitisimportanttokeepbothcitiesandthecountryclean.
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of
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to
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by
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for
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already
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even
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still
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never
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getsin
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comesfrom
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bringsto
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takesto
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vegetables
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cakes
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flowers
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trees
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swimming
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drinking
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washing
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watering
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takeoff
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puton
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pickup
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getback
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warm
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cold
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clean
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empty