complete using my, me, you, your, him,her,etc

a) mark and kate were in the park with____granfather
they were in the park wich___.
B) Mary was in the kitchen with ___ mother.
she was in the kitchen with ___ .
C) Paul and I were in the party with___ friends.
we were in the party with___.
D) Peter was in the cinema with____ father.
he was in the cinema with___​