◎ 题干
I failed in the final exams last term and only then  the importance of study.
[     ]
A. I realized                    
B. do I realized
C. did I realize                  
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“I failed in the final exams last term and only thenthe importance of study.[ ]A. I realized B. do I realizedC. did I realize D. I had realized…”主要考查了你对  【倒装句】  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。