Przymiotniki dzierżawcze w angielskim ćwiczenie

Wybierz A, jeżeli 's oznacza przymitnik dzierżawczy lub B, jeżeli 's oznacza is.

Bob's wife is British	??? B A
It's a fantastic film.	??? B A
Tom's on holiday.	??? B A
This is my brother's room.	??? B A
Betty's son is seven.	??? B A
What's in your bag.	??? B A
Emma's late.	??? B A
The boys are Matt's friends.	??? B A
This is Jack's car.	??? B A
My sister's name is Molly.	??? B A