5.

  1.is

  2.yours

  3.mine

  4.glasses

  5.hers

  6.his

  7.whose

  8.are

6.

  2.e

   -Whose cat is it?

   -It`s mine.

  3.c

   -Whose rabbits are they?

   -They`re ours.

 4.d

   -Whose parrot is it?

   -It`s mine.

  5.b

   -Whose rats are they?

   -They`re mine.