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				 Is       necessary to complete the design before  National Day ?     A. this       B.  that      C.  he       D.  it			【查看更多】
			


		
     
    


		
    
		
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    Is      necessary to complete the design before National Day?
      
    A.this          B.that        C.it       D.he
    

			
    
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    Is      necessary to complete the design before National  Day?
      
    A. this        B. that       C. it           D. he 
    

			
    
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     Is __________ necessary to complete the design before National Day?
       A. this      B. that      C. it      D. he
    

			
    
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    Is ____ necessary to complete the design before National Day?
      
    A. this  B. that　  C. it　  D. he　
    

			
    
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    Is ____ necessary to complete the design before National Day?
      
    A. this  B. that　  C. it　  D. he　
    

			
    
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