◎ 题干

When the old man_____to walk back to his house,the sun____itself behind the mountain.
A.was starting;hidB.had started;had already hidden
C.had started;was hidingD.started;had already hidden
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“When the old man_____to walk back to his house,the sun____itself behind the mountain.A.was starting;hidB.had started;had already hiddenC.had started;was hidi…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  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。