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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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