1) not clean a) dangerous b) ugly c) polluted d) friendly 2) not polluted a) polluted b) clean c) friendly d) breathe 3) not safe a) dangerous b) safe c) beautiful d) clean 4) not dangerous a) safe b) breathe c) polluted d) ugly 5) not ugly a) ugly b) friendly c) breathe d) beautiful 6) not beautiful a) polluted b) dangerous c) ugly d) beautiful 7) kind and nice a) friendly b) breathe c) ugly d) safe 8) get air a) safe b) polluted c) breathe d) dangerous

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