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    精英家教网 > 高中英语 > 题目详情

    He ___________busy yesterday, or he __________you with your experiment.

    A．was; had helped B．was; would have helped
    C．had been; would have helped D．were; would have helped

    B

    解析试题分析：考查时态和虚拟语气：句意：昨天他很忙，否则，他就可以帮助你做实验了。第一空是过去的事实，用一般过去式，这里or相当于if he hadn’t been busy这样的虚拟语气条件句，所以后面的主句用would have helped。选B。
    考点：考查时态和虚拟语气

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