Complete the text with the words below.

The tower of London was begun in the ... of William the Conqueror \(1066\-87\). The White Tower, as it is known, was one of the first great stone towers to be ... in Britain and its construction is ... to have taken around 20 years. Ravens were traditionally seen as a bad ... . They originally came to the Tower of London to ... scraps of food. When Charles II tried to get ... of them, he was warned that, if he did, the Tower – and the nation with it – would fall into ... hands. As a result, there have been ravens at theTower ... since.