We should ______ trees., pollute, plant , burn, destroy, We shouldn’t ______ rubbish around., recycle, save, throw, protect, We should use ______ transportation., water, public, nuclear, noise, We shouldn’t burn _______., coal, water, dirt, batteries , We should save ______., pollution , coal, rubbish, water, We should recycle plastic, paper and ______., glass, smoke, coal, noise, We shouldn’t pollute the ________., environment , battery, bus, tree, We should use solar _______., pollution , layer , energy , waste , We should use wind _______., rubbish , energy, pollution , transportation , Farmers shouldn’t use too many ______., trees, pesticides , batteries, buses, We should protect the ozone ______., energy , pollution , layer, water, Noise ______ is harmful for people., transportation , pollution , energy , battery , Air pollution causes health ______., batteries , trees, problems , water, We should use rechargeable ______., coal, batteries , pollution , forests , We must stop ______., planting trees , recycling , deforestation , saving water , We should keep the environment ______., dirty, noisy, clean , dangerous , We shouldn’t destroy ______., forests , transportation , buses, water, Renewable energy is better than fossil ______., transportation , fuel, rubbish , temperature , We should turn ______ the lights when we leave a room., on, into, off, under, We should use eco-friendly _______., products, pollution , coal , rubbish , Water pollution harms sea ______., transportation , animals , batteries , factories, We should reduce ______ to protect nature., pollution , trees, water, oxygen, We shouldn’t waste __________., batteries, forests, energy, transportation , 24. Public transportation helps reduce air ______., batteries , pollution , forests, coal, We should take precautions against global ______., warming, battery, transportation , pesticide, Trees produce oxygen and clean the ______., rubbish, battery, air, coal.

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