◎ 题干
-Miss Jones once _________ music at a local college for ten years and now is an actress.
-No wonder I often hear her sing some pop songs.
A.had taughtB.has been teachingC.taughtD.is teaching
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-Miss Jones once _________ music at a local college for ten years and now is an actress.-No wonder I often hear her sing some pop songs.A.had taughtB.has been …”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。