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				8．        they visited the Science Museum.they showed great interest in everything they saw.  A．The first time   B．For the first time  C．At first      D．At the first time			【查看更多】
			


		
           
          


		
          
		
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          ________they visited the Science Museum，they showed great interest in everything they saw.
          

          [     ]
          A．The first time  
          B．For the first time
          C．At first  
          D．At the first time
          

			
          
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          _____ they visited the Science Museum，they showed great interest in everything they saw. 
          

          [     ]
          A. The first time 
          B. For the first time 
          C. At first
          D. At the first time 
          

			
          
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          ________they visited the Science Museum，they showed great interest in everything they saw.
            
          A. The first time    　　B. For the first time  C. At first  　　　　  D. At the first time
              
           
          

			
          
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