Change these sentences into passive voice: People believed that the earth stood still. They reported that the troops were corning

Change these sentences into passive voice
1. People believed that the earth stood still.
..................................
2. They reported that the troops were corning
..............................
3. His parents made him study hard for the exam
...................................
4. Toshico had a mechnic repair her car
...................................
5. The president had his advisors arrange a press conference
......................................