Modal Verbs of Deduction

I'm not sure I trust Peter. He ______ the person we think he is.

He _________ be in class. I saw him at the library a minute ago.

He ______ his son, they look completely different.

He ______ be very proud of you right now. You disappointed him.

If Suzan said that, it ______ true. She never lies.

The phone is ringing. It ________ be Charlotte; she said she would call this morning.

I think there ______ a mistake in your tax return. You should check it.

There's a bit of traffic, so I ______ arrive in time.

He ______ be at the gym right now. Sometimes he goes there at this time.

might be / may be

can't

can't

might

might not / may not

might not be

must

can't be

must be