1. My favorite subject is history.      
    _____ is _____ favorite subject?    
2. Jeff likes P.E. because it is relaxing.      
    _____ _____ Jeff like P.E.？    
3. Mrs Jones usually eats breakfast at seven-thirty.      
    _____ _____ does Mrs Jones usually _____ breakfast?    
4. Bob wants to join the chess club.      
    _____ _____ does Bob want to join?    
5. His father can play the violin.      
    _____ can his father _____?    
6. My favorite actor is Zhou Runfa.      
    _____ is _____ favorite actor?    
7. Mary's birthday is September first.      
    _____ _____ Mary's birthday?    
8. His cousin is three years old.    
    _____ _____ is his cousin?    
9. Her new pen is two yuan.      
    _____ _____ is her new pen?    
10. He eats carrots for dinner.      
      _____ _____ he eat for dinner?