Chuyển các câu với động từ tường thuật sau sang câu bị động
1.They think that he has died a natural death

=>it is thought that he has died a natural death
2.Some people believe that 13 í an unlucky number

=>it is believed that 13 is an unlucky number
3.They say that John is the brightest student in class

=>it is said that John is the brightest student in class
4.They reported that the President had suffered a heart attack

=>it was reported that the President had suffered a heart attack
5.I knew that they had told him of the meeting

=>it was known that they had told him of the meeting
6.They declared that she won the competition

=>it was declared that she won the competition
7.They rumored te man was still living

=>it was rumored that man was still living
8.People think that Jack London's life and writing's represent the American love of adventure

=>it is thought that Jack London's life and writing's represent the American love of adventure
9.They reported that the troops were coming

=>it was reported that the troops were coming
10.People believed that the earth stood still

=>it was believed that the earth stood still