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for; to to; of for; of to; to
polluting being polluted polluted pollute
stressed addressed delivered expressed
tend tending tended being tended
do；being polluted get；polluted take；being polluted have；polluted
prevailing profound precautionary progressive
from we live for us to live us living from our living
methods; to destroy methods; from destroying measures; from destroying measures; to destroy
now that as long as unless before
before as long as now that unless
accomplish conflict construct contact
should take must be taken would take be taken
has been run out runs out is run out is running out
is measured; measures measures; measurement measures; measures is measured; measurement
measures must be taken people shouldn't draw benefit from trees government must realize the serious results unless trees never be cut down
constructive reductive reactive productive
polluting being polluted polluted pollute
from we live for us to live us living from our living
take must take are to take took
must they mustn’t they is there isn’t there
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