1. Uzupełnij zdania, używając must, can't, may,might, could, tak aby wyraźić przypuszczenia lub wnioski dotyczące opisanych sytuacji. 1 Jeff's room is always in a terrible mess. There are books and clothes lying around. He _____ be a very tidy person.
2 They've got a large house, two expensive cars and they often go on holidays. They _____ be very rich people.
3 I'm not sure but Ben doesn't look very cheerful today, does he? Well, he _____ be worried about something.
4 Are you sure you've got the right address? I don't think it's their house. You're right. It _____ be their house. Theirs is much smaller.
5 Where's Adam? He's already left his office but he hasn't come back home yet. I don't know, but he _____ be on his way home.
6 Paul always talks about new computer programs and games. He ______ be very keen on computers.