◎ 题干
Great changes have taken place in that school. It is no longer _____it was 20 years ago, ______it was so poorly equipped.  
[     ]
A.  what ;when      
B.   that; which    
C.  what; which    
D.  which; that
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Great changes have taken place in that school. It is no longer _____it was 20 years ago, ______it was so poorly equipped.[ ]A.what ;whenB. that; whichC.wh…”主要考查了你对  【非限制性定语从句】【主语从句】  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。