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           Bill is an _______ boy.
          A．eight years oldB．eight-years-old
          C．eight-year-oldD．eight-year-olds
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          表示多少歲數(shù)修飾名詞，可用兩字符將每個單詞連在一起，不可使用復(fù)數(shù)形式，相當(dāng)于一個形容詞，故本題選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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