十处错误
last sunday my father and i went fishing along a river.we found the water very dirty that we could hardly catch any fish in it .a lot of factories along the river polluting.in this way most of the fish in the river was killed .unless the river all over the country are polluted like this ,no living things will be exist in the water .as we all know ,environmentai pollution do great harm to living things .now more and more people have reaiized what serious this probiem is .our government is doing her best to take measure to fight against pollution .we expect that water in every river