Possessive Adjective - Writing

Is that______crayon?

(my / mine)

______sister is at school.

(Her / Hers)

Your bicycle is nice, but I like_______better.

(him/his)

Give the dog______toy.

(its / it´s)

______ not at school today.

(Their / They´re)

Is this book_________?

(your / yours)

________house is blue and white.

(Our / Ours)

Can I borrow__________pencil?

(your / you´re)

________is the one on the left.

(My / Mine)

_________grades are improving.

(Their / They´re)