Your brother looks tired. He is having tests at school, so he ___ be studying too much.
MUST
They’re wearing coats and it's snowy. It ___ be cold outside.
MUST
I’m not sure, but this restaurant ___ be new. I haven’t seen it before.
MIGHT/MAY
They are laughing so much. I'm sure the movie ___ be very funny.
MUST
Be careful! That road is wet. There ___ be an accident.
MIGHT/MAY
I don't know why Lily is not here. I think she ___ be sick today.
MIGHT/MAY
It’s cloudy and windy now. It ___ rain later.
MIGHT
He isn’t answering the phone. He ___ be sleeping.
MIGHT/MAY
Maria looks really happy today. I think she ___ have received good news.
MIGHT
John’s car isn’t outside. He ___ have gone to work already.
MUST
I’m not sure, but this song ___ be by Coldplay.
MIGHT/MAY
She lived in the United States for 10 years. She ___ speak English very well.
MUST