◎ 题干
 He told us that he was tired and thirsty because he ________ in the desert for days.
A.walkedB.has walked
C.had walkedD.would walk
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ He told us that he was tired and thirsty because he ________ in the desert for days.A.walkedB.has walkedC.had walkedD.would walk…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。