◎ 题干
—— Do you still remember the day when we went to the Great Wall?
—— I can’t remember it well, but______sometime last autumn?
A.might it beB.could it have beenC.could it beD.must it have been
◎ 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“—— Do you still remember the day when we went to the Great Wall? —— I can’t remember it well, but______sometime last autumn? A.might it beB.could it have been…”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。