◎ 题干
Only when I left my hometown ________ how precious it is to me.
[      ]
A. did I realize  
B. I realized
C. had I realized  
D. I had realized
◎ 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“Only when I left my hometown ________ how precious it is to me. [ ]A. did I realizeB. I realizedC. had I realizedD. I had realized…”主要考查了你对  【一般过去时】【部分倒装】  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。