◎ 题干
I was seven years old when I ______ a party.

A. had first
B. first had
C. first have
D. have first
◎ 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“I was seven years old when I ______ a party. [ ]A. had first B. first had C. first have D. have first …”主要考查了你对  【副词】【一般过去时】  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。