CRIME
ANIMALS
JOBS
100

Look at the man. He is wearing prison uniform. He ________ the criminal.

MUST BE

100
I can hear a buzzing sound. There ________ a bee in the room.
MUST BE
100

He goes to a bank every morning. That means he ______ (work) at a bank.

MUST WORK

200
A: Do you know who stole your car? B: No, we are not sure but it ______ our neighbour's son.
MIGHT BE
200
A: Look at the footprints! Do you think it is a bear? B: No, it _____ a bear. The footprints are too small.
CAN'T BE
200
That guy _____ a pilot. I have never seen him in a uniform in my life.
CAN'T BE
300

A: Does the police know how the burglars entered your house? B: Yes, the burglars ______ (enter) through the balcony. It's the only way in.

MUST HAVE ENTERED

300
A: What is this bird? B: It ____ a canary or a lovebird.
MIGHT/MAY/COULD BE
300

This woman ________ (work) at a hospital or a clinic because she always wears a white uniform. Hmm, I don't know, maybe she is a cook.

MAY/MIGHT/COULD BE WORKING

400
Henry ________ (steal) my credit card information because he doesn't even know how to use a computer or phone!
CAN'T HAVE STOLEN/COULDN'T HAVE STOLEN
400

This giraffe _________ (kill) by a lion. Look at the distinctive gashes on its legs. Only one animal ________ (make) those marks.

MUST HAVE BEEN KILLED

COULD HAVE MADE

400

My brother ______ (get) the job because he looked terrible when he left the job interview.

CAN'T/COULDN'T HAVE GOT/GOTTEN

500
A: Where is the smuggler now? B: I have no idea but he ________ (send) to the jail.
MIGHT/MAY/COULD HAVE BEEN SENT
500
A: I guess someone stole our dog last night. B: Our dog _______ (steal) last night because it would have barked and we would have heard it.
CAN'T/COULDN'T HAVE BEEN STOLEN
500
Julia __________ (promote) to General Manager of the company. She is now earning more money and she is busier than ever.
MUST HAVE BEEN PROMOTED