日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        
<legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>
        <strong id="o5kww"><u id="o5kww"></u></strong>
        

        2. 


          
	
          
		
	
          
	
          
		
          
			
		
          
		
          
	
          

          



          

          

          


          

          
	
          
				
          

			
				 I felt somewhat disappointed and was about to leave      something occurred which attracted my attention.   A. unless     B. until     C. when      D. while			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          I felt somewhat disappointed and was about to leave, ________ something occurred which attracted my attention.

          1. A.
            unless
          2. B.
            until
          3. C.
            when
          4. D.
            while
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          I felt somewhat disappointed and was about to leave _____ something occurred which attracted my attention.
            
          A. unless B. until   C. when  D. while
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
            
          I felt somewhat disappointed and was about to leave _____ something occurred which attracted my attention.
            
              A. unless       B. until           C. when         D. while
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           I felt somewhat disappointed and was about to leave, ___ something occurred which attracted my attention.
            A. unless            B. until           C. when           D. where
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          I felt somewhat disappointed and was about to leave _____ something occurred which attracted my attention．
            
          A．unless        B．until         C．when         D．while
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


          同步練習冊答案