Police suspect the kidnapper ____ the country using a fake passport.
COULD HAVE LEFT
ALL ARE POSSIBLE
MAY HAVE LEFT
MIGHT HAVE LEFT
She's working full-time and studying. That ___ easy.
MUSTN'T BE
CAN'T HAVE BEEN
MIGHT HAVE BEEN
CAN'T BE
We regret to inform you that some services ____ be delayed due to bad weather.
COULD / MIGHT / MAY
This ___ be her house. I can see her car parked outside.
MUST
Ally ___ (leave) the house. Her house keys are on the table.
CAN'T / COULDN'T HAVE LEFT
He worked hard on his report, and then accidentally deleted the file from his computer. He ___ upset when it happened.
MUST BE
COULDN'T BEEN
MUST HAVE BEEN
MIGHT BE
You should pick up the phone. It ___ be an important call. You never know without answering.
COULD / MIGHT / MAY
