◎ 题干
—Waiter, what about my coffee? I______ for over 10 minutes.
—Sorry, sir. It will just be a moment
A.am waitingB.was waitingC.had waitedD.have been waiting
◎ 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“—Waiter, what about my coffee? I______ for over 10 minutes.—Sorry, sir. It will just be a momentA.am waitingB.was waitingC.had waitedD.have been waiting…”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。