Por favor necesito ayuda con una tarea de inglés?

Por favor necesito ayuda con una tarea de inglés. Choose the correct alternative. 1. the criminals are thought to have escaped / to escape with the jewellery. 2. Strange circles are / were reported to have appeared in fields in the 1970s. 3. the bermuda triangle is said to be that / where ships disappear. 4. thay claimed that the house eas / to have been haunted.