23. (      )

• A、a way
  
  

• B、a distance
  
  

• C、a path
  
  

• D、a highway
  
  

55.(     ) 

19. The teacher was (   ) in the middle of the class because some naughty boys played tricks on her in class. 

• A、put down
  
  

• B、hung up
  
  

• C、broke in
  
  

• D、cut off