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          He didn’t go to school yesterday _______ he was ill.
          A．becauseB．because ofC．ifD．so
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          本題的含義是昨天他沒有去上學(xué)，他病了應(yīng)該是他沒上學(xué)的原因，because后跟原因從句，because of后跟單詞或短語，故選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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