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				23．Betty didn’t come to school yesterday           she was ill.A. but      B.  than     C.  if       D.  because			【查看更多】
			


		
     
    


		
    
		
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    Betty didn't come to school yesterday ______ she was ill.
    

    [     ]
    A. but    
    B. than   
    C. if     
    D. because
    

			
    
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    Betty didn't come to school yesterday ________ she was ill．
    

    

    [　　]
    

    A．but
    

    

    B．than
    

    

    C．if
    

    

    D．because
    

    

    

			
    
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    Betty didn’t come to school yesterday ________ she was ill．
    

    

    [　　]
    

    A．but
    

    

    B．than
    

    

    C．if
    

    

    D．because
    

    

    

			
    
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