60 сделайте пожалуйста)спасибо громадное)

Don't tell me that you are busy today.
He often says that he is busy.
It's a lovely toy, isn't it?
Mr. Black isn't old, is he?
She doesn't like the colour.
The boys don't like this game.
There is a book in the bag.
There are two books in the bag.
They are at the zoo, aren't they?
Tom was in London last year, wasn't he?