◎ 题干
I had not seen him for years,but I_________ his voice on the phone.
A.realizedB.heard
C.discoveredD.recognized
◎ 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“I had not seen him for years,but I_________ his voice on the phone.A.realizedB.heardC.discoveredD.recognized…”主要考查了你对  【动词短语】【动词】  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。