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				      students have graduated from this school in  the last twenty years.A. Tens of thousands of      B. Tens upon thousands ofC. Tens in thousands          D.  Ten thousands of			【查看更多】
			


		
           
          


		
          
		
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          ____ students have graduated from this school in the last twenty years.

          1. A.
            Tens of thousands of
          2. B.
            Tens upon thousands of
          3. C.
            Tens in thousands
          4. D.
            Ten thousands of
          

			
          
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            ____ students have graduated from this school in the last twenty years.
            
          A. Tens of thousands of        B. Tens upon thousands of
            
          C. Tens in thousands                    D. Ten thousands of
          

			
          
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