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				 Every year          of trees are planted on the hills  to protect the environment. A. a thousand   B.  thousands       C. thousand			【查看更多】
			


		
           
          


		
          
		
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          Every year ______ of trees are planted on the hills to protect the environment.

          1. A.
            a thousand
          2. B.
            thousands
          3. C.
            thousand
          4. D.
            the thousand
          

			
          
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          Every year _______ of trees are planted on the hills to protect      the environment.
          

          [     ]
          A. a thousand      
          B. thousands           
          C. thousand
          

			
          
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          Every year ________ of trees are planted on the hills to protect the environment.
          

          [　　]
          

          A．a(chǎn) thousand　　B．thousands　　C．thousand
          

          

			
          
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          Every year ______ of trees are planted on the hills to protect the environment.
          

          [　　]
          


          

          

          A．a thousand
          		


          B．thousands
          		

          

          

          C．thousand
          		


          D．the thousand
          		

          

          

          

			
          
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