◎ 题干
—Waiter,  what about my food?I________for over 30  minutes.
—Oh,  sorry,  sir.Just one more minute,  please.
[     ]
A. have waited  
B. was waiting
C. have been waiting  
D. had waited
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—Waiter,what about my food?I________for over 30minutes.—Oh,sorry,sir.Just one more minute,please.[ ]A. have waitedB. was waitingC. have been waitingD. ha…”主要考查了你对  【现在完成进行时】  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。