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          精英家教網 > 高中英語 > 題目詳情
          
			
          
				
           The new policy allows a couple to have a second birth _____either is an only child.
          A．thoughB．ifC．unlessD．until
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：句意：新政策允許一對夫婦生二胎，如果其中有一人是獨生子女的話。這里用if引導條件狀語從句，A. though雖然，引導讓步狀語從句， C. unless除非，如果不，引導條件狀語從句，until直到，引導時間狀語從句，所以選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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