1. Our teacher makes _____ (we) very tired.  
2. Do you want _____(go) to the park?        
3. Tommy is three _______ (year) old.  
4. Where does your friend ______ (come) from?  
5. She _______ (live) in Mexico City.  
6. Please write and tell me about _______ (you).
7. Tom and David are good _________ (friend).
8. _________ (not talk) in class.