摘要： 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
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