下面短文中有10处语言错误。请在有错误的工方增加、删除或修改某个单词。
增加：在缺词处加一个符号（^），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每句不超过两个错误；
2. 每处错误及其修改均只限一词；
3. 只允许修改10处，多者（从第11处起）不计分。
The Huaihe River has been serious polluted. Day and night million of tons of waste water is being poured down to it from hundreds of factories. The waste water was harmful. At present there is no fish in it. The river water cannot drunk. People on either bank have to dig wells to get drinking water. The Huaihe River is such dirty and poisonous that people don’t dare to swim in them. Everything must be done to stop the pollution. The government and the people near the river must try to clear the water as soon as possible. Now special attention has been paid on to the pollution by the government and many scientist. The pollution will be prevented in the near future.