问题
选择题
He has devoted himself __ mankind.
to benefit B. benefiting C. to benefiting D. benefited
答案
答案：C
考查短语：devote … to doing sth把什么献身于，to 是介词，后用动名词，句意：他把自己献身于使人类获益上。故选C。
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He has devoted himself __ mankind.
to benefit B. benefiting C. to benefiting D. benefited
答案：C
考查短语：devote … to doing sth把什么献身于，to 是介词，后用动名词，句意：他把自己献身于使人类获益上。故选C。