Ответ:

  1. Ask Luke. It’s his sandwich.
  2. There is a big park near my house.
  3. Paul is Danny and Olivia’s brother. He’s their brother.
  4. The shoe shop? OK, just turn right on the High Street and it’s there.
  5. There aren’t any parks near here.
  6. Can I see those trousers in the window, please?

The extra words are her and some.