It _____ a dog.
is not / isn't
She ___ the best student in the class.
is
Our classes _________ on Tuesdays and Thursdays
are not / aren't
The children _____ in the park.
are
She __ ___ my father.
is not / isn't
I _____ strong.
am
I _____ bad at football.
am
Mary and I _____ best friends.
are
They _____ coming to class today, they are sick.
are not / aren't
We ____ in the same class.
are
I ______ ready!
am not
They _____ very tall.
are
This class ____ fun.
is