◎ 题干
 ________ Sunday morning, he cleaned his room. _______ the afternoon, he did his homework. __________ night, he watched Olympic Games.
A.On; On; OnB.On; In; AtC.On; In; In D.In; In; At
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“________ Sunday morning, he cleaned his room. _______the afternoon, he did his homework. __________ night, he watched Olympic Games. A.On; On; OnB.On; In;…”主要考查了你对  【介词短语】【介词】  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。