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				 Is         necessary to tell his father everything ?      A. it     B.  that      C.  what     D.  he[答案與簡析]選A.測試 it 用作形式主語.代替由不定式.動名詞或從句表示的真正主語.又如:1)Is        possible to fly to the moon in a  spaceship ?    A. now      B.  man      C.  that      D.  it2)Is        necessary to complete the design before  National Day ?     A. this       B.  that      C.  he       D.  it3)Does       matter if he can't finish the job on time  ?     A. this       B.  that      C.  he       D.  it4)It worried a bit      her hair was turning grey .    A. while     B.  that      C.  if D. for答案1) ― 4)DDDB.			【查看更多】
			


		
     
    


		
    
		
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    65.Is＿necessary to tell his father everything? 
      
    A. it              B. that             C. what          D. He
    

			
    
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     Is＿necessary to tell his father everything? 
      
    A. it              B. that             C. what          D. he
    

			
    
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    Is ______necessary to tell his father everything?
      
    A. it　　　 B. that　　  C. what　　 D. he
        
     
    

			
    
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    Is _____ necessary to tell his father everything?
      
    　 A. it 　 B. that
      
    　 C. what 　 D. he
        
     
    

			
    
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    65.Is＿necessary to tell his father everything? 
    


    
 
    
  
  
    A．it 
    
      		
  
  
    B．that 
    
      		
  
  
    C．what 
    
      		
  
  
    D．He
    
      		
 
    

    


     
    

			
    
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