To keep healthy, Professor Johnson ____ cycling as a regular form of exercise after he retired.
--Has Mr. White arrived, Tom? --Yes, sir. _____ he come in to see you right now?
The girl was very disappointed when his boyfriend didn’t _______at the right time.
Ten years ago the population of our village was that of theirs.
Mark woke up one morning to find both water and electricity ______because he had not been able to pay the bills.
He was told that it would be at least three more months _____ he could recover and return to work.