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				31．―Could you please come to the museum with me  this afternoon?―Sorry, I     .  I have to take a piano lesson at 2 pm.    A．couldn’t       B．mustn’t        C．can’t          D．needn’t			【查看更多】
			


		
           
          


		
          
		
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           ---Could you please come to the museum with me this afternoon?
          ---Sorry, I ______ . I have to take a piano lesson at 2 pm.
          A．couldn’tB．mustn’t
          C．can’tD．needn’t
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          —Could you please come to the museum with me this afternoon? 
          —Sorry, I ______. I have to take a piano lesson at 2 pm. 
          

          [     ]
          A. couldn't 
          B. mustn't 
          C. can't 
          D. needn't 
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          —Could you please come to the museum with me this afternoon? 
          —Sorry, I_____. I have to take a piano lesson at 2 p.m. 
          

          [     ]
          A. couldn't 
          B. mustn't
          C. can't 
          D. needn't 
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          —Could you please come to the museum with me this afternoon?
            
          —Sorry, I         . I have to take a piano lesson at 2 pm.
            
          A．couldn’t          B．mustn’t         C．can’t         D．needn’t
          

			
          
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          —Could you please come to the museum with me this afternoon?
          —Sorry，I ________．I have to take a piano lesson at 2 pm．
          A．couldn’tB．mustn’tC．can’tD．needn’t
          

			
          
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