◎ 题干
We may find that learning a foreign language does not have to be ____learning our mother tongue.  
but can in fact be as easy.  
[     ]
A .  twice harder as  
B.  as twice hard as  
C.  twice as hard as    
D.  as twice hard
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“We may find that learning a foreign language does not have to be ____learning our mother tongue.but can in fact be as easy. [ ]A .twice harder as B.as twice …”主要考查了你对  【副词】【从属连词】  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。