VIII/ Change these active sentences to passive. cái gì được làm (bằng dụng cụ gì), ở đâu, bởi ai, khi nào. 1. Mai’s grandfather is building a house now.  .............................................................................................................................................................................. 2. They were planning a new road near my house.  .............................................................................................................................................................................. 3. The man had cleaned the walls.  .............................................................................................................................................................................. 4. John is going to tell you the news when you arrive home.  .............................................................................................................................................................................. 5. I will have to clean all the windows after the storm.  .............................................................................................................................................................................. 6. I will have cleaned all the windows.  .............................................................................................................................................................................. 7. The army completed that project.  .............................................................................................................................................................................. 8. They take good care of books.  .............................................................................................................................................................................. 9. Do the shop assistants hand the boxes to the customers?  .............................................................................................................................................................................. 10. Does the committee appoint Alice as secretary for the meeting?  .............................................................................................................................................................................. 11. Did Mary give Tom a lot of money?  .............................................................................................................................................................................. 12. Was someone painting her house at 7p.m yesterday?  .............................................................................................................................................................................. 13. Is he buying a lot of books from bookstores?  .............................................................................................................................................................................. 14. Might they have held the meeting?  .............................................................................................................................................................................. 15. Will the army have to finish that project?  .............................................................................................................................................................................. 16. Must they have taken good care of books?  .............................................................................................................................................................................. 17. Has Nam finished his homework?  .............................................................................................................................................................................. 18. Where did you keep your money?  .............................................................................................................................................................................. 19. Who do you send these Christmas cards?  ..............................................................................................................................................................................