◎ 题干
Are you still here? I saw you here half an hour ago. Who _____ for?
[     ]
A. were you waiting
B. did you wait
C. are you waiting
D. do you wait
◎ 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“Are you still here? I saw you here half an hour ago. Who _____ for?[ ]A. were you waiting B. did you wait C. are you waitingD. do you wait …”主要考查了你对  【现在进行时】  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。