She ___ a good student. (+)
is
It ______ a goat.
isn't
They _____ nice cats.
aren't
My mom and dad ___ old. (-)
aren't
He ___ short. (-)
isn't
We ____ teachers.
are
It ___ a dog. (-)
isn't
It ________ an ugly spider.
is
Tom ___ a girl. (-)
isn't
My nose ___ long.
is
Molly ___ fat. (+)
is
They _______ cows.
aren't
The giraffe _____ tall.
is
They _____ big horses.
are