◎ 题干
You may use the room as you like ____you clean it up afterwards.
  [      ] 
A. so far as        
B. so long as        
C. in case          
D. even if
◎ 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“You may use the room as you like ____you clean it up afterwards. [ ] A. so far as B. so long asC. in caseD. even if …”主要考查了你对  【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。