◎ 题干
The computers made by our company sell best, but several years ago no one could have imagined the role in  the markets that they _____.
A. were playing
B. were to play
C. have played
D. played
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The computers made by our company sell best, but several years ago no one could have imagined the role in the markets that they _____. [ ]A. were playing B. w…”主要考查了你对  【过去将来时】  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。