◎ 题干
— We haven't been to the Great Wall for ages.
— No, I don't remember how many years ago _______ I last visited it.
A.it was thatB.was it thatC.it was whenD.was it when
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— We haven't been to the Great Wall for ages. — No, I don't remember how many years ago _______ I last visited it.A.it was thatB.was it thatC.it was whenD.wa…”主要考查了你对  【虚拟语气】【情态动词】  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。