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    Bob would have helped us yesterday, but he . A. was busy B. is busy C. had been busy D. will be busy 答案:A. 解析:本题考查虚拟语气与时态.前句表示对过去的虚拟.而but之后表示过去的客观事实.故用一般过去时态. 【查看更多】

     

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    Bob would have helped us yesterday, but he_______

    A. was busy                B. is busy                  C. had been busy. D. will be busy

     

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    26. Bob would have helped us yesterday, but he_______

    A. was busy                B. is busy                  C. had been busy. D. will be busy

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    Bob would have helped us  yesterday ,but he_______________.

    A.was busy busy       B.is busy       C.had been  busy         D.will be busy

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    Bob would have helped us yesterday, but he ________.

    A. was busy　 　 B. is busy　 　 C. had been busy. 　 D. will be busy

     

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    Bob would have helped us yesterday, but he_________.

    A. was busy　 B is busy　 　　　　 C. had been busy. 　 D. will be busy

     

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