6. underline the correct item. 1. these computers ( made, were made) in china .2. the telephone (invented, was invented) by bell in 1875. 3. alkaline batteries ( discovered, were discovered) by urry in 1950’s 4. the nucleus ( discovered, were discovered) by ernest rutherford. 7. change the active sentences into passive sentences. 1. the great fire of london burnt many houses. 2. the celts settled in wales in 500 bc. 3. the ancient greeks built the acropolis. 4. a group of archaeologists found a dinosaur’s skeleton 5. ford made his first car in 1896. 6. alexander fleming discovered penicillin.