change the sentences from active voice to passive voice
1. they made a reservation a month ago
2. the workers build a tall and beatiful building near our house
3. we havent invited this girl to our school party.
4. i didnt know that my aunt had sold her flat two month ago
5. i must observe school rules
6. he will clean his flat tomorrow after lessons
7. she is watching a new film with her small brothers
8. when i came my room he was listening to jazz
9. this boys always laugh at my niece

1 the reservation was made a month ago2 a tall and beautiful building was built by workers near our house3 this girl hasn't been invited to our school party4 i didn't know that my aunt's flat had been sold two months ago5 the school rules have to be observed by me6 his flat will be cleaned by him tomorrow after lessons7 a new film is being watched by her and her small brothers8 when i came to my room, the jazz was being listened to by him9 my niece is always getting laught at by theese boysпоследний не уверен.