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          Mrs. White came back late            the heavy rain yesterday afternoon.
          A．becauseB．because ofC．butD．since
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          because 一般作為連詞，表示原因的，because of 相當(dāng)于介詞，后接名詞，故選答案為B
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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