He has been working all night. He ......... be tired.
might
can't
must
I wonder who is at the door. It ............ be mom, she still at work.
might
can't
mustn't
The baby just had his bottle of milk. He ......... be hungry!
mustn't
can't
won't
The man holding the baby, he ............ be his father.
may
can
could
might
Adrianne is good at acting. She ........... be an actor one day.
will
going to
can
might
