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    I have been more than six years old when the accident happened. A. shouldn’t B. couldn’t C. mustn’t D. needn’t 【查看更多】

     

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    I ______ have been more than six years old when the accident happened.

    A. shouldn’t        B. couldn’t       C. mustn’t         D. needn’t

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    I ____ have been more than six years old when the accident happened.  

    A. shouldn’t    B. couldn’t   C. mustn’t   D. needn’t

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    I ______ have been more than six years old when the accident happened.

    A. shouldn’t        B. couldn’t       C. mustn’t         D. needn’t

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    I _______ have been more than six years old when the accident happened.

    A. shouldn’t B. couldn’t

    C. mustn’t D. needn’t

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    25. I ______ have been more than six years old when the accident happened.

    A. shouldn’t        B. couldn’t       C. mustn’t         D. needn’t

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