Помогитесделать задание срочно

1 Life is thought to have been brought from space. 2 Crises are supposed to be a regular display of economics. 3 Peter is said to be a talented journalist. 4 This derelict land is supposed to have been a bustling town. 5 Steve was thought to be the person who was guilty. 6 Ocean floor is supposed to have a huge amount of natural resources.