—Mike’s parents have bought a 2-floor house with a swimming pool.— Oh, it________ be very expensive.

He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.

He ________ your car by mistake because he didn't have the keys. 

---Have you got the final result?---Yes, very disappointing. We________ have won the game.

--            you interrupt now? Can’t you see I’m on the phone? --Sorry sir, but it’s urgent.