I.Underline and correct the mistake in each of the following passive voice sentences.
1. A big chunk of his calf was being bitten off by the dog yesterday.
2. A plan to stop drug trafficking had been draw up.
3. His confidence will be build up by this.
4. Are you sure the door have been shut?
5. I was being woken up by the alarm clock at 5 o’clock.
6. Batteries must not thrown out in the communal waste.
7. Unemployment must dealt with by the government.
8. Many beautiful songs are being sing at this competition.
9. She are being brought up in a friendly atmosphere.
10. Too much money are being spent on the army.