问题描述：
waste/parks/polluted/open/dirty/gases/fishes/pollute/rivers/houses/lakes选词填空
_____coming out of the vehicles______the air
we not throw_____into our _____and____as this pollutes the water
throwing waste thing in______and other _____places make the surrounding dirty
_______water kills the ________and plants that live in rivers
_____coming out of the vehicles______the air
we not throw_____into our _____and____as this pollutes the water
throwing waste thing in______and other _____places make the surrounding dirty
_______water kills the ________and plants that live in rivers
问题解答：
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