1/There are lots of interesting sights in the Tower, are there?
2/ The Tower of London was founded twenty years ago, wasn't it?
3/ Beefeaters aren't the guards of the Tower Bridge, are they?
4/ Special excursions take place in the Tower, don't they?
5/ You can see the Crown Jewels in the anciiet fortress, can't you?
6/ The White Tower is it situated in the Houses of Parliament, isn't it?
7/ The Tower of London has a cruel history, doesn't it?