◎ 题干

—I ______ for you for two hours, but in vain. Where did you go?                           
—I ______ at my uncle’s.
A.had looked; may have stayedB.looked; must have stayed
C.have looked; may be stayingD.looked; must be staying
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—I ______ for you for two hours, but in vain. Where did you go? —I ______ at my uncle’s.A.had looked; may have stayedB.looked; must have stayedC.have looke…”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。