◎ 题干
My friend, Tom, left New York in 1976 and _____ since then.

A. hadn't been heard of
B. hasn't been heard of
C. hasn't heard of
D. hadn't heard of
◎ 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“My friend, Tom, left New York in 1976 and _____ since then.[ ]A. hadn't been heard of B. hasn't been heard of C. hasn't heard of D. hadn't heard of …”主要考查了你对  【现在完成时的被动语态】  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。