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    精英家教网 > 初中英语 > 题目详情
    8．The officer promised theywould keep（keep） searching for the missing plane until it was found．

    分析 翻译：军官答应他们会继续寻找失踪的飞机，直到找到它．

    解答 根据until it was found说明应用将来时，再由promised 可知应用过去将来时，故填：would keep．

    点评 首先根据句意判断用一般将来时，再根据主句过去时，从句应用相应的过去时，即可填出．

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