1) We _________ plant more trees a) should b) should not 2) We ________ light campfires in the forest. a) should b) should not 3) We ________ replace old bulbs with LED. a) should b) should not 4) We ________ recycle bottles and cans a) should b) should not 5) We _______ cut down trees. a) should b) should not 6) We _________ waste water. a) should b) should not 7) We _____ turn off the tap while washing our hands. a) should b) should not 8) We ______ turn off the light when we leave a room. a) should b) should not

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