Heroes ______ their life ______ being the best they can be, whether it is President of the United States, a mother, or a firefighter.A.prevent…fromB.devote…toC.prefer…toD.suffer…from
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B解析本题考查动词短语辨析。句意：英雄都尽力把生活变得最好，无论是美国的总统，一个母亲，或一个消防员。devote…to献身于/专注于某事。