Modals for deduction

Paul is behaving in a very unusual way. I think he ______ again.

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

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

Sorry, but I'm not Connor. You ______ me for someone else.

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

You have walked for ten hours. You ______ exhausted.

He ______ his son, they look completely different.

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

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

I wouldn't swim in this river if I were you. It ______ dangerous.

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

A: Who's at the door? B: I don't know; it....

be John.