◎ 题干
Jack ______ leave _____ his teacher comes back.
[     ]
A. doesn't, until
B. /, until
C. won't, /
D. won'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“Jack _____ leave _____ his teacher comes back. [ ]A. doesn't, until B. /, until C. won't, / D. won't, until …”主要考查了你对  【情态动词】【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。