1. Everyone thought that she passed the exams
-> She was thought to be passed the exam
2. it is believed that the Chinese invented gunpowder
-> The Chinese are believed to be invented gunpowder
3. l think you should get your computer serviced
-> Your computer should be got serviced
4. it is believed that the wanted man is living in New York
-> The wanted man is believed to be living in New York
5. This job has to be done at once
-> they have to do this job at once
6. They declare that she won the competition
-> She is declared to be won the competition
7. People said that Helen missed the train
-> it's said that Helen missed the train
8. Someone painted her house last week
-> She had her house painted last week
9. Barry first became a member of parliament in 1983
-> Barry was first admitted into parliament in 1983
10. They published the book in 1998
-> The book was published in 1998