1) Let's __________ the park. a) cut down b) protect c) clean up d) plant 2) Don't _____ trees _____! a) pollute b) cut down c) clean up d) plant 3) Let's protect our planet! Don't _____ the environment. a) protect b) contaminate c) waste d) throw away 4) Don't _____ the rivers or oceans. a) throw away b) save c) recycle d) pollute 5) Don't _____ water. Turn off the tap while you brush your teeth. a) turn off b) waste c) pollute d) damage 6) ______ more trees. Don't cut them down! a) plant b) turn off c) throw away d) reuse 7) ______ our planet! Don't damage the environment. a) reuse b) turn off c) throw away d) protect 8) Why don't you ______ paper? a) damage b) save c) plant d) recycle 9) Don't throw things away. Let's _____ them!  a) throw away b) protect c) recycle d) reuse 10) You should _____ your computer _____ when you don't use it. a) turn off b) recycle c) waste d) turn on

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