I, 1.Many rivers and lakes are poisoned.Factoríe produce waste and pour it into rivers and lakes. =>Because =>Because of 2.They provided food then cleared up the debris. =>After they  3.The local people have to use water from the polluted river.They don't have enough fresh water. =>If 4.I'm not you,but I think you should recycle these plastic carrier bags. =>If I 5.All flights had to be cancelled as a rerult of the pilots' sudden strike. (so) => 6.You have to keep quiet if you want to stay here. =>She told me that II, 1.Water pollution/contamination/bodies/water/such as/lakes/rivers/oceans/groundwater. 2.America/celebrate/Thanks giving Day/Forth Thursday/November/since 1864/?/ 3.Scotland/famous/its rich culture/well/its amazing/natural beauty/./ 4.The Statue/Liberty/New York/is/monument/which/symbolize/freedom/./