问题描述：
英语句子这样有错吗?看下面
they waste water,for example,they don't turn off the taps after using it.they pollute water,for example,they put much dirty water into the rivers.
they waste water,for example,they don't turn off the taps after using it.they pollute water,for example,they put much dirty water into the rivers.
问题解答：
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