Complete the sentences with the correct possessive pronouns

Приклад: Is this Mary`s jacket? Yes It`s hers
 1) Are these your Justin Timberlake CDs?
  Yes, they`re ______________
2) Are these your brother's shoes?
 Yes, they're ______________
3)Is that my desk?
 Yes,it`s __________
4)Is this Henry`s pen?
 Yes,it`s __________
5) Are those our books?
 Yes, they`re for us. They`re ________
6) Is this thhe children`s bedroom?
    Yes, it`s ___________
7) Are these your mum`s rings?
  Yes, they`re ____________