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          What the doctors really doubt is   my lather will reeover from me  serious disease soon.
          A．whetherB．whenC．whyD．how
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          根據(jù)doubt一詞的用法可知，所懷疑的應(yīng)是是否能治好病，所以要填whether。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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