D. Complete the text (active or passive)
The Tower of London.
The Tower of London is a historic castle on the north bank of the River Thames. It Ex. was founded (found) towards the end of 1066. William the Conqueror 1. (build) the White Tower in 1078. The castle 2. (use) as prison from 1100 till 1952. Today it is one of the most popular tourist attractions. It 3. (protect) by the charity as a World Heritage Site. Crown Jewels 4. (keep) in the Tower. A lot of tourists 5. (visit) the Tower every day.
Built, was using,is proteed, keeping, are visited.