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    精英家教网 > 高中英语 > 题目详情
    Ever since the financial crisis ________, many workers _______from their jobs.
    A．broke out; were laid off
    B．has broken out; were laid off
    C．had broken out; had been laid off
    D．broke out; have been laid off
    D

    这题考查时态的用法,因为是since引导的时间状语从句，所以第一空填过去时，主句用现在完成时。句意是：自从经济危机爆发，很多工人被解雇了。选D。
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