Possessive case

This is __________ book. (Peter)

________ sister is twelve years old. (John)

The __________ room is upstairs. (Children)

My __________ car was not expensive. (parents)

________ CD player is new. (Tom)

This is the ___________ bike. (boy)

These are the ________ pencils. (boys)

My ________house is next door to ours. (grandparents)

This is _________ house (Sara and Peter)

Ruby and Isabel are _______ daughters (Helena)

Oscar is _________ son (Helena and David)

Helena is _____ wife (David)