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    John promised his doctor he would not smoke, and he ever since. A. didn’t smoke B. hasn’t smoked C. hadn’t smoked D. wouldn’t smoke 【查看更多】

     

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    John promised his doctor he would not smoke, and he ________ ever since.

    A. didn’t smoke　　　　　　　　 B. hasn’t smoked　

    C. hadn’t smoked　　　　　　　 D. wouldn’t smoke

     

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