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    精英家教网 > 高中英语 > 题目详情
    I have to see the doctor because I            a lot these days.

    A. coughed    
    B. am coughing      
    C. have been coughing
    D. cough
    C
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    科目：高中英语 来源：重庆市期末题 题型：单选题

    I have to see the doctor because I            a lot these days.
    [     ]
    A. coughed    
    B. am coughing      
    C. have been coughing
    D. cough

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