◎ 题干
Sam _____ go out to play football with his friends _____ school was over yesterday.
[     ]
A. won't; before  
B. doesn't; after
C. wasn't; until    
D. didn't; until
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Sam _____ go out to play football with his friends _____ school was over yesterday.[ ]A. won't; before B. doesn't; afterC. wasn't; untilD. didn't; u…”主要考查了你对  【一般过去时】【固定搭配】  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。