25. – Tom, it's too late. Our son ________ be back.– Don't be anxious. I dare say he ________ have some extra work to do.

---Oh,Tom! You are too late. ---Sorry. How I wish I_____measures Mr Smith suggested to leave ten minutes earlier.

 If penicillin had not been available, many people _____ from sickness or even small wounds.

 Michael ______ be a policeman, for he is much too short.

—Will you read me a story, Mummy? —OK. You _____ have one if you go to bed as soon as possible.