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    精英家教网 > 高中英语 > 题目详情

    There's one thing I ________ you before I go further.

    [　　]

    A．ought to have told

    B．ought not to tell

    C．ought to tell

    D．ought to told

    答案：C
    提示：

    “ought to＋动词原形”应该，否定式ought not to....题意为“在……之前应该……”.


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