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