Giúp mình bài 2 với Cảm ơn ạ

1. 13 is believed to be an unlucky number. 2. That man was rumored to be still living. 3. She was declared to have won the competition. 4. English is known to be (as) an international language. 5. Jack London's life and writings is thought to represent the America love or adventure. 6. John is said to be the brightest student in class. 7. The President was reported to have suffered a heart attack. 8. He is thought to have died a natural death. 9. The troops were reported to be coming. 10. The earth was believed to have stood still.