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          We had to stay at home ______ it was raining hard.
          A．ofB．becauseC．because ofD．a(chǎn)s
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：句意：我不得不待在家里，因?yàn)橄潞艽蟮挠�。Because因?yàn)�，后接從句；because of因?yàn)�，后接名詞性短語(yǔ)；題中后面是個(gè)從句，故選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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