Please change these sentences into integrative of passive voice. 1. The students will return the book before the exam. 2. The cleaning service found the wall at the public rest room. 3. My friends have registered to join at speech contest. 4. Children under seventeen are forbidden to ride a motorcycle at the main street. 5. The bullying victim can report her problem to the dean. 6. The old man feeds the cats at the street almost everyday. 7. Both girl and boy can join at the robotic competition. 8. The police man will not give direct punishment to the rider. 9. The security will close the gate at 7 A.M. 10. The man has painted the wall to be the beautiful panorama.​