Fill in a Personal Pronoun or a Possessive Pronoun.

 
  Is this book, John? No, it's book.  
  Is this book? No, it's book.  
  Is this computer? No, it's computer.  
  Is this Ann's bag?. Yes, it's bag.  
  Is this Norman's cat? No, it's cat.  
  Is this Jody's CD? Yes, it's CD.  
  parents are at home. car is broken.  
  Is this Tom's room? Yes, it's room.