Possessive adjectives and pronouns

Mike is riding ... bike.

I have got a book. ..... book is fantastic.

Good morning. Can you help ..... mum?

Mum's busy. She's washing ......... hair.

We have got a big house. .... house is over there.

Is she ......... sister or cousin?

You're ........ best friend in the class

We are classmates. This is..... teacher.

It's Ben. This is .... birthday party.

She is my friend. .... name is Tina.