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    精英家教网 > 高中英语 > 题目详情
    You __________ to leave until you __________ your work.   
    A．won’t be allowed; have finishedB．won’t allow; finish
    C．won’t be allowed; will finishD．won’t allow; will finish
    A
    句意：一直到你完成工作才可以离开。前一空表示被允许，因此用被动语态；后一空和前一空存在逻辑上的先后顺序，因此用现在完成时态。
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