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				38．A．didn’t        B．doesn’t'       C．wasn’t       D．isn’t			【查看更多】
			


		
           
          


		
          
		
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           - Didn't you see the sign "No Fishing!" on the right?
          - Sorry, I didn't. But now I know fishing_______ here.
          A．wasn't allowed B．isn't allowed 
          C．won't allow D．doesn't allow 
          

			
          
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          --- Look at the sign on the right.  
            
          ---- Oh, smoking ____ here. 
            
          A．doesn’t allow        B．isn’t allowed        C．didn’t allow      D．wasn’t allowed
          

			
          
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          Tom ________ to take a test because he got to class too late.
          

          [　　]
          

          

          A．wasn't allowed
          B．isn't allowed
          

          C．didn't allow
          D．doesn't allowed
          

          

          

			
          
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          —Why is the classroom so dirty?
          


          —Sorry，sir. It       yesterday,
We forgot to do it.
          


          A．doesn’t clean                         B．didn’t clean
          


          C．isn’t cleaned                          D．wasn’t cleaned
          


           
          

			
          
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          — Why is your bedroom so dirty?
          — Sorry, Mum. It ___________. I felt very tired after playing soccer.
          A．isn’t cleaned B．didn’t clean C．doesn’t clean D．wasn’t cleaned 
          

			
          
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