Passive to Active:
1.His teacher praised him.
2. Someone has stolen my pen.
3. Someone asked me my name.
4. People speak English all over the world.
5. We will execute all orders promptly.
6. The fire damaged the building
7. This did not surprise Alice much.
8. Why should you suspect me?
9. Who broke this Jug?
10. The wind blew down the trees.