◎ 题干
He _______ more than 5,000 English words when he entered the university at the age of 15.

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A. has learned
B. would have learned
C. learned
D. had learned
◎ 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“He _______ more than 5,000 English words when he entered the university at the age of 15. [ ]A. has learned B. would have learned C. learned D. had learned …”主要考查了你对  【过去完成时】  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。