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				 We will soon discuss the problem       we should take some effective measures to protect the animals and plants in our region.   A. if      B. whether       C. that       D. ever since			【查看更多】
			


		
           
          


		
          
		
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          We will soon discuss the problem ______we should take some effective measures to protect the animals and plants in our region.
            A. if     　　　　　B. whether  　　　   C. that    　　　　　　 D. ever since
           
           
          

			
          
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