Question

Change the following to passive voice.

1)did they finish their work .
2)please post the letter.
3)don't eat stale food.
4)The teacher has taken the unit test today
5)Father was feeding cat.
Thanks​

Answer 1

1) Does the work is finished by them?

Answer 2

1) was their work finished by them?

2) post the letter by yourself.

3) stale food should  not be eaten by you.

4) the unit test has been taken by the teacher.

5)the cat is being fed by father.