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    --- You look fed up with the lecture. --- Well, I it all day. A. had been listening to B. have been listening C. have been listening to D. had been listening 【查看更多】

     

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    --- You look fed up with the lecture.

    --- Well, I __________ it all day.

           A. had been listening to                               B. have been listening

           C. have been listening to                              D. had been listening 

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