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    精英家教网 > 高中英语 > 题目详情
    18．---Why haven't you handed in your experiment report yet？
    ---I'm sorry．I had no time for it because I _____ my grandfather in hospital all day．（　　）
    A．took care ofB．take care of
    C．was taking care ofD．had taken care of

    分析 --你为什么尚未交上你的实验报告？
    --抱歉．我没有时间写，因为我整天在医院照料我祖父．

    解答 答案是C．本题考查过去进行时；过去进行时表示"过去某一时间或某一段时间内在进行的动作"；根据语境可知，作者现在不在医院照料祖父，故推断"整天在医院照料祖父"是过去一段时间内"在进行"的动作，故用过去进行时，答案是C．

    点评 对时态的选择，要在把握时态的基本用法的基础上，根据具体语境和题干中的时间推断时态，同时关注特殊的结构．

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