past indefinite passive of present perfect passive

1 The decorations (complete) an hour ago. 2. The prepara­tions for the party just (finish) and the guests are already arriv­ing. 3. The baby (feed) an hour ago. 4. Christopher (feed) yet? — Not yet. 5. He (not see) for a week already. 6, The paper (not read) by anyone yet. 7. The suit (not wear) for a long time. 8. This fact (not mention) in his last speech. 9. I'm happy as I just (allow) to stay here for an extra day. 10. She (teach) music in her childhood. 11. You ever (teach) to play chess? 12. I just (advise) to keep to a diet. 13. The sportsmen (give) in­structions before the match. 14. The motorist (disqualify) some five months ago. 15. I can't believe my eyes! My book (publish) already! 16. I am not going to the party. I (not invite). 17. The first baths (build) by the Romans. 18. Where is my bicycle? It's gone. It (steal). 19. This room looks different. It (paint) since I was last here? 20. Why have you come today? — The date of the meeting (change).