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				 ―We can go to the zoo by bus.  ―Why not         there for a change?  A.  walking   B. to  walk        C.  walk             D.  walked			【查看更多】
			


		
           
          


		
          
		
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          —We can go to the zoo by bus.
          —Why not ______ there for a change?
          

          [     ]
          A. walking 
          B. to walk 
          C. walk 
          D. walked
          

			
          
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