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Last Sunday my father and I went fishing in the river.1._____
We found the water was too dirty that we could hardly catch any 2.__
fish.The factory along the river is pouring waste water 3.______
into it,in which made the water polluted.So most of the 4.______
fish in it were killed .As we all know ,environmental pollution 5.__
does great harm to living things and the humans.Now more 6.______
and more people have come to realize what serious this 7.______
problem is.Luckily the government are doing her best to 8.______
fight for pollution.We expect that the water in every river 9.____
will made cleaner and cleaner before long.10.____