To transform the sentences from the Passive to the Active Voice, you need to make the subject of the passive sentence the doer of the action in the active sentence.
1. Manners make a man.
2. The class teacher made her the class monitor.
3. Shakespeare wrote Julius Caesar.
4. The bomb destroyed the Twin Towers.
5. His friends took him to the hospital.
6. They did not allow him to sit for the exam.
7. Someone shut my digital camera.
8. The workers distributed sweets among themselves on Diwali day.
9. Our neighbours rushed my mother to the hospital.
10. Everyone will blame us for this accident.