Помогите составить хвостики в английском не рулю: 3 1.There are lots of interesting sights in the Tower……

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?