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    I asleep because it took me a long time to realize that the telephone was ringing. [ ] A. could have fallen B. should have fallen C. must have fallen D. mustn't have fallen 【查看更多】

     

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    I ________ asleep because it took me a long time to realize that the telephone was ringing.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

    　 A. could fall        B. need have fallen     C. must have fallen 　    D. may fall

     

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     I____ asleep because it took me a long time to realize that the telephone was ringing.

    A. could have fallen      B. should have fallen  

    C. must have fallen       D. mustn’t have fallen

     

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    I ________ asleep because it took me a long time to realize that the telephone was ringing.


    1. A.
      could fall
    2. B.
      need have fallen
    3. C.
      must have fallen
    4. D.
      may fall

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    I____ asleep because it took me a long time to realize that the telephone was ringing


    1. A.
      could have fallen
    2. B.
      should have fallen
    3. C.
      must have fallen
    4. D.
      mustn’t have fallen

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     I____ asleep because it took me a long time to realize that the telephone was ringing.

    A. could have fallen      B. should have fallen  

    C. must have fallen       D. mustn’t have fallen

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