◎ 题干
We have learned 3,000 words _____.

A. during past decade
B. in the past decade
C. a decade ago
D. after a decade
◎ 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“We have learned 3,000 words _____. [ ]A. during past decadeB. in the past decadeC. a decade ago D. after a decade …”主要考查了你对  【时间副词】  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。