Fill in the blank with has/have:
He ______ a cap on his head.
have
am
has
None of these
They ______ eaten all the food.
are
were
The elephant _____ a trunk.
is
The boys __________ been here all day.
I ______ a cat.
They ______ a swimming pool.
She ______ a lot of homework.
We ______ a big work to do.
had
was
She _____ a pencil.
Nurses _____ a difficult job.
on