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?
As we all know,the whole life of the doctor____studying the
答案:1 悬赏:30 手机版
解决时间 2021-01-29 15:37
- 提问者网友：浩歌待明月
- 2021-01-29 02:50
最佳答案
- 五星知识达人网友：廢物販賣機
- 2021-01-29 03:28
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 doing
所以选D
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