◎ 题干
--Did you listen to the report last Friday?
--- Yes, it was about the shortage of migrant workers. That was the first time I______ about the subject.
A.heardB.was hearing
C.would hearD.had heard
◎ 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“--Did you listen to the report last Friday?--- Yes, it was about the shortage of migrant workers. That was the first time I______ about the subject.A.heardB.w…”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。