EXERCISE 10: Put the verbs into the correct form. (active or passive) THE TOWER OF LONDON The Tower of London is one of the world's most famous fortresses. It used (1. use) as a royal palace, a fortress, a prison, a place of execution, an armoury, and even a zoo. Today it best (2. know) as a historical museum. The Tower (3. build) in the 11th century and later it (4. make) to be a royal palace. Then it (5. become) a prison. Kings, queens, noblemen (6. lock) up here. The Beefeaters used to guard the Tower and its prisoners. Nowadays they work mostly as guides. People (7. show) around and (8. tell) stories about all the terrible things that have happened. The Crown Jewels (9. show) in the Jewel House. They well (10. look) after. Once they (11. steal) by a man called Colonel Blood. But he (12. catch) just as he was leaving the Tower. giúp e với các tình iu