1. The door is opened
3. The table is set
4. A lot of money is paid
5. A picture were drew  
6. Blue shoes are worn  
7. You are not helped  
8. The book is not opened  
9. The letter is not written
10. Are you picked up by your mum?
11. is the thief caught by the police officer?  
12. tickets are sold at the gate of the tourist site  
13. a lot of flowers are grown in Da Lat  
14. the Hung Kings Temple is visited by thousands of people every day. 
15. many beautiful Cham Towers can be seen by tourists in Binh Dinh Province  
16. many kinds of goods can be bought by tourists in Ben Thanh Market