Exercise 2: Change from passive to active. 1. The school was struck by lightning. 2. This morning the burglar was arrested by the police. 3. One type of air pollution is caused by hydrocarbons. 4. An elaborate supper for the miners was prepared by Mr. Patel and his children. 5. The cookies were stolen by the Mad Hatter. 6. New York City's Central Park was designed in 1857 by F.L. Olmsted and Calbert Vaux. 7. It was decided by the court that the contract was invalid. 8. The first commercially successful portable vacuum cleaner was invented by a janitor who was allergic to dust. 9. After Leonardo da Vinci's death, the Mona Lisa was purchased by King Francis I of France. 10. The allegorical novel Animal Farm was written by British author George Orwell during World War II
