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    Tom was about to close the window his attention was caught by a bird. A. when B. if C. and D. till 答案:A 解析:考查固定句型.Be about to do-.when-表示就要做某事时.突然-- 【查看更多】

     

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    Tom was about to close the window ________ his attention was caught by a bird.

    A．when

    B．if

    C．and

    D．till

     

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    Tom was about to close the window ______ his attention was caught by a bird.

    A．when

    B．if

    C．and

    D．till

     

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     Tom was about to close the window_______ his attention was caught by a bird.

    A. when             B. if                  C. and            D. till

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    Tom was about to close the window______________ his attention was caught by a  bird.   
    [     ]
    A. when    
    B. if    
    C. and    
    D. till

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    Tom was about to  close the window _____ his attention  was caught by a bird.          
    [      ]
    A. when                    
    B. if      
    C. and               
    D. till

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