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				 The mother didn’t know       to blame for the broken glass as it happened while she was out.     A. who        B. when      C. how       D. what			【查看更多】
			


		
     
    


		
    
		
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    The mother didn’t know_________to blame for the broken glass as it happened while she was out.?
      
    A.who                   B.when                 C.how                   D.what?
    

			
    
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    The mother didn’t know ____to blame for the broken glass as it happened while she was out.
      
         A. who    B. when    C. how     D. what
    

			
    
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    The mother didn’t know _____to blame for the broken glass as it happened while she was out.
    A．whoB．whichC．theyD．that
    

			
    
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    The mother didn’t know _____to blame for
the broken glass as it happened while she was out.
    


    A．who B．which
C． they D．that
    


     
    

			
    
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    The mother didn't know ________ to blame for the broken glass as it happened while she was out.

    1. A.
      what
    2. B.
      how
    3. C.
      when
    4. D.
      who
    

			
    
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