You ..... be right, but it's better if we check.
must
can't
might
This is not possible. You ......be serious!
must
can't
might not
A: Who's at the door? B: I don't know; it ..... be John.
may
must
can't
She ....be in love with him. She told me she hates him.
must
might not
can't
I'm not sure I trust Peter. He ______ the person we think he is.
must not be
can't be
might not be
The phone is ringing. It .....be Charlotte; she said she would call this morning.
must
can
can't
I think there ............. a mistake in your tax return. You should check it.
may not be
might be
can't be
If he drives a jaguar, he....be quite rich.
must
might not
can't
Sorry, but I'm not Connor. You ______ me for someone else.
might be confusing
must be confusing
must confuse
Paul is behaving in a very unusual way. I think the ............. again.
can't drink
can be drinking
might be drinking
He ... know the answer, he's the best in the class.
can
must
might not
He ....be in class. I saw him at the library a minute ago.
must
could
can't
He ....be at the gym right now. Sometimes he goes there at this time.
must
might
can't
If Suzan said that, it ______ true. She never lies.
might be
must be
can be
You should pick up the phone. It ... be an important call.
can
might
can't