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				 ---- Listen! Helen is singing in the next room.   ---- It    be Helen. She  has gone to Beijing.  A. can’t     B.  mustn’t          C.  may         D.  should			【查看更多】
			


		
           
          


		
          
		
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          —Listen ! Helen is singing in the next room.
          —It _______ be Helen. She has gone to Beijing.
          A. can’t????? B. mustn’t????? C. may???? D. should?? 
           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          —Listen ! Helen is singing in the next room.
          —It _______ be Helen. She has gone to Beijing.
          A．can’tB．mustn’tC．mayD．should
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          ---Listen! Helen is singing in the next room.
          ---It ______ be Helen. She has gone to Beijing.

          1. A.
            can't
          2. B.
            mustn't
          3. C.
            may
          4. D.
            should
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          -Listen! Helen is singing in the next room.
          -It __________ be Helen. She has gone to Beijing.
          

          [     ]
          A. can't
          B. mustn't
          C. may
          D. should
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          —Listen! Helen is singing in the next room.
          —It _______ be Helen. She has gone to Beijing.
          

          [     ]
          A. can't 
          B. mustn't 
          C. may 
          D. should 
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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