He has devoted himself mankind.to benefit B. benefiting C. to benefiting D. benefited

发布时间:2020-08-16 18:00:30

He has devoted himself      mankind.
to benefit       B. benefiting    C. to benefiting    D. benefited

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解析: 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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