i have returned the books to school liblary. somebody entered our houst last friday. they are singing the most popular song. ubah ke bentuk passive

1. books was retuned by i to school library
2. our house was entered by somebody last friday 
3. most popular song was sung by them 

thanks.....good night
have a great day

The books were returned by me at School library. Our house were entered by somebody at last friday. The most popular song were sung by them. I hope those are right answers to help your tasks or your homeworks