   neutral   Try to be more careful in future.     neutral   I shall. I wasn't as careless as John Sampson. He walked across that wet cement over there.  
    neutral   The workmen oughtn't to leave it without a no tice.     neutral   The headmaster asked them not to do so.  
    neutral   Then why isn't there a notice?     neutral   
 Because the workers went too quickly, and they forgot about this place of safety.They thought all was
 Sorry, Mr. Brown! 0h my God, how did you get your hand caught in