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				21．During the summer of 2007.Betty spent two weeks        some  famous novels for children． A．read     B．reading     C．to read         D．on reading			【查看更多】
			


		
           
          


		
          
		
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          During the summer of 2007，Betty spent two weeks ______ some famous novels for children．
            
          A．read         B．reading             C．to read             D．on reading
          

			
          
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