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				 Children enjoy       up wooden bricks, then knocking them down.    A. adding     B. pushing      C. piling      D. putting			【查看更多】
			


		
     
    


		
    
		
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    Children enjoy _____ up wooden bricks, then knocking them down.
       A. adding   B. pushing   C. piling    D. putting
     
     
    

			
    
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