C. Rewrite the sentences using Passive voice.
1. By six o’clock they had finished the work.
2. At twelve o’clock the workers were loading the trucks.
3. One uses chalk for writing on the blackboard.
4. We send our daughter to rest in the south every year.
5. They will show this film on TV.
6. Have you ironed your dress yet?

1. The work had been finished by them by six o’clock. 2. The trucks were being loaded by workers at twelve o’clock. 3. Chalk is used for writing on the blackboard. 4. Our daughter is sent by us to rest in the south every year. 5. This film will be shown on TV. 6. Has your dress been already ironed by you?