. He made up his mind to devote his life____________the river____________polluted.
A.to prevent, to be | B.to prevent, from being |
C.to preventing, to be | D.to preventing, from being |
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. He made up his mind to devote his life____________the river____________polluted.
A.to prevent, to be | B.to prevent, from being |
C.to preventing, to be | D.to preventing, from being |