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				 The volunteer work     each of them several hours a week last  year.A. cost          B.  paid          C.  spent           D.  took			【查看更多】
			


		
           
          


		
          
		
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          The volunteer work        each of them several hours a week last year.
            
          A. cost                   B. paid                    C. spent                  D. took
          

			
          
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