ENVIRONMENTB3M4 WritingHaikou School Wu Tingtingwhite, beautiful beachlittering 乱扔垃圾 Write on One Environmental Problem.What to write?How to write?It is reported that there are __________________ floating(漂浮) in Huangpu River.As a result of the dead pigs, the drinking water is no longer ________________.a number of dead pigsclean/safe to drinkThe f..