◎ 题干
I knew the lady________Bill when she spoke of a bright young boy.
[     ]
A.referred to  
B.was referring to
C.pointed at  
D.was pointing at
◎ 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“I knew the lady________Bill when she spoke of a bright young boy. [ ]A.referred toB.was referring to C.pointed at D.was pointing at…”主要考查了你对  【过去进行时】  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。