As we all know,the whole life of the doctor____studying the origin of cancer
A has devoted to B was being devoted to C was devoted to Dhas been devoted to
选哪个,为什么?每个选项解释下?
人气：410 ℃ 时间：2020-06-17 05:10:41
解答
选D.sb devote some time to doing sth.某人把时间奉献于做某事.the whole life作主语 应为：some time be devoted to doing （时间被奉献于做某事）现在用的是一般现在完成时,为some time has been devoted to doin...
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