1. Mary's math homework is being done in the room by her now.

2. The floor is cleaned by students every morning.

3. The letter in English can't be written by Tom.

4. A big party for the wedding has just been repaired.

5. The machine was invented when he was ten.

6. Films are watched when we have free time.

7. Music is never listened while I am studying.

8. Cigarettes shouldn't be smoked because they are harmful.

- $Answered_{}$ $by_{}$ $thieukhue_{}$ -

1. Her math homework is being done in the room by Mary now

2. The floor is cleaned every morning

3. The letter can't e written in English by Tom

4. A big party for the wedding has been just prepared by us

5. The machine was invented by him when he was ten

6. The film is watched when we have free time

7. Music is never listened by me while studying

8. Cigarettes should be smoked because they are harmful