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. 


          
	
          
		
	
          
	
          
		
          
			
		
          
		
          
	
          

          



          

          

          


          

          
	
          
				
          

			
				4．Must I finish my homework first?			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          — Mum, must I finish my homework first? 
          — No, you _______. 
          

          [     ]
          A. can't
          B. mustn't 
          C. couldn't 
          D. don't have to. 
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          ---Must  I finish my homework now?
              
          --- No, you __________. You may have a rest  first.
              
          　　 A.  mustn’t　 B. can’t　  C. may not　 D.  needn’t
              
                           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          — Mom, must I finish my homework now?
          — No, you ______. You may have supper first.
          A. mustn’t      B. needn’t      C. can’t
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          — Mom, must I finish my homework now?
              
          — No, you ______. You may have supper first.
              
          A. mustn’t　　  　　　  B.  needn’t 　　　  　  C. can’t
                  
                           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          — Mom, must I finish my homework now?
          


            —
No, you ______. You may have supper first.
          


          A. mustn’t      B.
needn’t      C. can’t
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


          同步練習(xí)冊答案