They are students

Is it your dictionary?

I don't know her

That is his young brother's T-shirt

Who is that boy in red?

Is this red bag yours? No, it isn't. Mine is black

Peter is a good kid. He is one of our friends

This is a dictionary, is it yours?

your, mine

His

hers

Those, them

theirs

They are, girls

Is , your

he does

this

mine