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				       no need for as to do the experiment again, it was mot long before we left the chemistry lab.    A. There has    B. There was     C. There being      D. It being			【查看更多】
			


		
           
          


		
          
		
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          _____ no need for as to do the experiment again, it was mot long before we left the chemistry lab.
             A. There has     B. There was      C. There being      D. It being    
          

			
          
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