Use the notes to make sentences. use the present perfect simple or the present perfect continuous

Mimosa salad with crab sticks

For this recipe you will need:

 
egg (boiled) - 4-6 pieces.
crab sticks - 200g
Cheese - 100-200g
butter - 100-200g
onion - 1 pc.
Apple - 1-2 pieces.
Mayonnaise - 1/2-1 bank.
 

Cut onion and soak in cold water for 20-30 minutes. Puts layers: (1) egg whites, cut with a fork (2) Cheese (on a medium grater), (3) frozen butter (on a coarse grater), (4) finely chopped onion, (5) 1/3 cans of mayonnaise, (6) crab sticks (finely chopped), (7) apple, peeled and core (on a coarse grater), (8), mayonnaise, (9) the yolks (to grate).

1. There are lots of interesting sights in the Tower,aren't there?- Yes, there are.
2. The Tower of London was founded twenty years ago, wasn't it ?- No, it wasn't.
3. Beefeaters aren't the guards of the Tower Bridge, are they?- No, they aren't.
4. Special excursions take place in the Tower, don't they?- Yes, they do.
5. You can see the Crown Jewels in the ancient fortress, can't you?- Yes, you can.
6. The White Tower isn't situated in the Houses of Parliament, is it?- No, it isn't.
7. The Tower of London has a cruel history, hasn't it?- Yes, it has.