Let's go to that store instead. It _____ be cheaper, but I'm not 100% sure.
might (may/could)
Her friend _____ be Australian, but I've never asked him.
might (may/could)
He isn't very nice. He _______ have a lot of friends.
can't
He _______ be happy, he has just won the lotto!
must
There is nobody else in this restaurant, so that _____ be our food.
must
He _____ be on vacation, but I'm not really sure.
might (may/could)
She always gets good grades. She ______ be a good student.
must
He isn't here. He _____ be sick.
might (may/could)
A: Who's at the door? B: I don't know, it _______ be John.
might (may,could)
She _______ be crazy! Unicorns don't exist.
must
The lights are on in his apartment, so he _____ be home.
must
She _____ be wealthy. She has 3 houses and 4 cars!
must
John didn't sleep last night. He _____ be really exhausted today.
must
He goes to the pool every day at this time, so he _____ be swimming now.
must
That _______ be true. He always lies.
can't
That movie won an award, so it _____ be good.
must
He _______ be at the gym right now. He sometimes goes there at this time.
might (may, could)
There are no heaters in the office. They ____ be freezing!
must
Where is she? She _____ be at work because her office is closed today.
can't
This dish _____ be very healthy. It has a lot of sugar!
can't
He has kids and goes to work everyday. His life _____ be easy!
can't
Sorry, but I'm not Connor. You _______ be confusing me for someone else.
must
She never studies, so she _____ get good grades.
can't
That _____ be her car. Hers is much bigger.
can't