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21.There will be less pollution,_______?
A.won’t there B.will there C.isn’t there D.are there
22.There are many trees on _______side of the road.
A.both B.either C.all D.every
21.There will be less pollution,_______?
A.won’t there B.will there C.isn’t there D.are there
22.There are many trees on _______side of the road.
A.both B.either C.all D.every

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