6. People know that David has broken the world record.
è _______________________________________________________________.
7. People believe that nuclear power stations are dangerous.
è _______________________________________________________________.
8. They have reported that it was John who caused the car accident.
è _______________________________________________________________.
9. People say that Mrs. Johson son was a famous ballet dancer when she was young.
è _______________________________________________________________.
10. They supposed that the old castle was haunted.
è ________________________________________________________________.