The cats...in the box.
is
are
am
The snake ... brown.
are
is
am
The book ... green.
is
am
are
It ... green.
am
is
are
I ... 10 years old.
are
am
is
It ... brown.
is
are
am
They ... zebras.
is
am
are
The house...big.
is
am
are
I ... a boy.
is
are
am
You... friends.
is
am
are
They...happy.
am
is
are
He ... an astronaut.
am
is
are
They...friends.
are
am
is
They ... apples
am
is
are
It ... a bike.
am
are
is