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    精英家教网 > 高中英语 > 题目详情
    It seems that water from this tap ________ for some time.We'll have to take it apart to put it right.
    A．had leakedB．is leaking
    C．leakedD．has been leaking
    D

    根据句中时间状语for some time以及后一分句的动词时态可知，选项动词动作强调到现在为止并仍在继续，故应排除选项A、C。由于选项B现在进行时不可与一段时间状语连用，所以排除选项B，选D现在完成进行时。
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