Possibility and Certainty

I'm not sure but she _____ live in that building. a) can't b) must c) might

Martin always does really well on exams. He ____ (study) a lot.

It ______ be frightening to hear a noise in the middle of the night when you are alone. a) can't b) must c) couldn't

CORRECT THE MISTAKE: She might coming with us.

Your leg ______ be broken. You are walking perfectly. a) must b) could c) can't

That girl _____ be a doctor! She looks far too young.

She looks sad and she's crying, so she _____ be happy. a) must b) couldn't c) can't d) might

(It's impossible) Joan _____ be in London today. I saw him at the beach an hour ago.

I’m sure he’s not Michael Jackson. He died a few years ago! = He _____ be Michael Jackson. He died a few years ago.

You are going to Disneyland! You _____ be very excited!

The treatment _____ be good. All the patients are better. a) must b) can't c) might not

It's possible that you have flu. = You ______ have flu. You shouldn't go to school today.