A. it happened
B. does it happen
C. it had happened
D. had it happened
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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 had no idea when and where _____. [ ]A. it happened B. does it happen C. it had happened D. had it happened …”主要考查了你对 【一般过去时】,【同位语从句】 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。
◎ 相似题
与“I had no idea when and where _____. [ ]A. it happened B. does it happen C. it had happened D. had it happened ”考查相似的试题有: