Possessive adjectives

I'm going to wash ___ hands.

You're going to wash ___ hands.

He's going to wash ___ hands.

She's going to wash ___ hands.

We are going to wash ___ hands.

They are going to wash ___ hands.

My grandmother is very nice. ___ name is Janet.

Scientists think ___ work is very important.

I never forget to bring ___ exercise book to school.

John is playing tennis with ___ best friend.