◎ 题干
______ that he runs the fastest in his class.
A.It is no doubt B.It is doubtless
C.There is no doubtD.I don’t doubt about
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“______ that he runs the fastest in his class.A.It is no doubt B.It is doubtlessC.There is no doubtD.I don’t doubt about…”主要考查了你对  【可数名词及其单复数】【动名词】【表语从句】【缩写与简写】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。