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    精英家教网 > 高中英语 > 题目详情

    Have you seen my dog? I _________ for it and still haven’t found it.
    A．lookedB．was lookingC．have been lookingD．had been looking
    C
    考查时态，句意：你看见我的狗了吗？——我一直在找它，并且还没有找到。结合语境可知前文描述的过去一直在进行并将继续进行下去的动作，故用过去完成进行时态，选C。
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