Перевести в пассивный залог

12. The results will be announced soon. 13. The door has been left open. 14. This castle is visited by many tourists every year. 15. My car was repaired by the mechanic last week. 16. The project will be presented by the team on Friday. 17. Three novels have been written by her so far. 18. A meeting is called by the manager every Monday. 19. Two factories were destroyed by the fire in 2010. 20. Trees will be planted in the garden by the children.