10 предложений что мы должны сделать чтобы спасти окружающую среду

спасибо

1) We need to plant trees2) We need to reuse things3) We need to clean the beaches up4) We need to save water5) We mustn't pollute water in rivers6) We mustn't throw garbage on the ground7) We mustn't cut down trees8) We need to protect animals9) We must turn the lights off when we go somewhere10) We need to recycle old magazines