◎ 题干
Not until ___ to do my homework ____ how much time I had wasted playing computer games.  
[     ]
A. I began; I realized      
B. I began; did I realize    
C. did I begin; I realized    
D. did I begin; did I realize
◎ 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“Not until ___ to do my homework ____ how much time I had wasted playing computer games. [ ]A. I began; I realized B. I began; did I realizeC. did I begin;…”主要考查了你对  【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。