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    精英家教网 > 高中英语 > 题目详情
    —I have got a headache.
    —No wonder.You___in front of that computer too long.
    A．workB．are working
    C．have been workingD．worked
    C
    现在完成进行时表示动作从过去某一时间开始，一直延续到现在，可能还要继续下去。根据所提供的情景“I have got a headache.”可判断出由于在电脑前连续工作而造成了头痛，故选C项。一般现在时表示经常性的动作或存在的状态；现在进行时表示正在进行的动作或存在的状态；一般过去时表示过去发生的动作或存在的状态。
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