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				21．--Why are you ready           your study in America?--Because English is spoken          the first  language there．A．to,by        B．for,as        C．to,as          D．for,by			【查看更多】
			


		
           
          


		
          
		
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          --Why are you ready ________ your study in America?
            
          --Because English is spoken ________ the first language there．
            
          A．to；by          B．for；as          C．to；as             D．for；by
          

			
          
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