She isn't answering her phone. She __ have it with her.
might
might not
must
That little boy is crying. He __ be lost.
could
can't
might not
Be careful! That dog __ be friendly!
may not
may
must
Look, he's wearing a hat, scarf and gloves. It __ be very cold outside!
may not
must
can't
Look, Dad's already wearing his jacket. This one __ be his!
must
might
can't
