---How long have you retired ,Grandpa? ---Well, four years. But you know, I_____ for Courtaulds for over forty years.
A．have worked
B．worked
C．had worked
D．work
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“---How long have you retired ,Grandpa? ---Well, four years. But you know, I_____ for Courtaulds for over forty years.A．have workedB．workedC．had workedD．work…”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。
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