Hehasstudiedthissubject_______.

发布时间:2020-07-28 02:50:29

He has studied this subject _______.A.for detailB.into detailC.in great detailD.for much detail

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C解析根据句子内容推测,可知句意应为“他已详细研究了这个课题”。表达“非常详细地”这一意思应用in detail。detail前可用much, great等修饰。
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