（四）     

The Huaihe River has been serious polluted. Day and night　　　      76.______

millions of tons of waste water is being poured down to it from 　   77.______

hundreds of factories. The waste water is harmful. At present　　　  78.______

there is no fish in it. The river water cannot be drunk. People in 　79.______

either bank have to dig wells to take drinking water. The Huaihe　　 80.______

River is such dirty and poisonous that people don't dare swim　　    81.______　

in it. Something must be done to stopping the pollution. The　       82.______

government and the people near the river must try to clear water     83.______

as soon as possible. Now special attention has paid to the           84.______

pollution by the government and more scientists. The pollution       85.______

will be prevented in the near future.