◎ 题干
______, I'd have told you.      
[    ]
A.  If I would have known it        
B.  If I had have known it
C.  Had I known it                  
D.  Should I know it
◎ 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'd have told you.[ ]A.If I would have known it B.If I had have known itC.Had I known itD.Should I know it …”主要考查了你对  【虚拟语气】  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。