He ___ a singer.
He is a singer.
It ___ a book.
It isn't a book.
They ___ shoes.
They aren't shoes.
It ___ a panda.
It is a panda.
They ___ lions.
They are lions.
He ___ a teacher.
She isn't a teacher.
____ ____ boots.
They are boots.
____ ____ singers.
They aren't singers.
___ ___ a book.
It is a book.
____ _____ dancers.
They are dancers.
