◎ 题干
______ of his time ______ been spent on studies every day.
A.Four-fifths; hasB.Four-fifths; have
C.Four-five; hasD.Fourths-five; have
◎ 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“______ of his time ______ been spent on studies every day.A.Four-fifths; hasB.Four-fifths; haveC.Four-five; hasD.Fourths-five; have…”主要考查了你对  【基数词】【序数词】【时刻】【分数】  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。