◎ 题干
— How long do you think it'll be _____ I can go back to work?  
— Well, you'll be feeling much better by next weekend.  
[     ]
A. before      
B. when        
C. until        
D. 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“— How long do you think it'll be _____ I can go back to work? — Well, you'll be feeling much better by next weekend. [ ]A. beforeB. when C. until D. that…”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。