Поставьте следующие предложения в passive voice (страдательный залог) 1. we finished our work. 2. my brother returned the book to the library. 3. mother told the boy to come back at 6 o'clock. 4. my friend invited us to his birthday party. 5. the students will discuss my report on monday.

Our work was finished by us.
The book was returned to the library by my brother.
The boy was told to come back at 6 o'clock by his mother
We were invited to the birthday party by my friend.
My report will be discussed by students on Monday.