... is that?
Who
Who are these?
These are my sisters.
She ... 7 years old.
is
Who are they?
They are my brothers.
Who is this?
This is my grandma.
How old ... he?
is
Who is that?
That is my grandpa.
Who ... they?
They are my grandparents.
He ... 80 years old.
is
... are 8 years old.
They
How old ... they?
are
Are they brothers?
Yes, they are.
... 80 years old.
She
... old is he?
How
Who are those?
Those are my parents.