Busy as Tom is, exercise has always been______his work.
The policeman's attention was suddenly caught by a small box which ______ placed under the Minister's car.
Years ago we didn't know this, but recent science ______ that people who don't sleep well soon get ill.
Since I won the big prize, my telephone hasn't stopped ringing. People ____to ask how I am going to spend the money.
John ___ be a basketball player.He’s much too short.
See who’s there! ____ it be Mary?