He used to teach in that university and I _________ ride past it on my way to work.
A. would B. could C. should D. might
On Sundays when I was a child, Father and I _______ get up early and go fishing.
A. could B. would C. might D. should
The thief ________ in from the kitchen window as the door was closed.
A. may climb B. must have climbed
C. could have climbed D. should have climbed
—Hurry up, Michael! It’s ten to three.
—Goodness me! The class_______. I’ll be late again.
A. must begin B. may begin C. should have begun D. must have begun
It was playing computer games that cost the boy a lot of time that he __________ doing his lessons.
A. might have spent B. ought to have spent
C. must have spent D. could have spent
Professor Smith, many students want to see you. __________ they wait here or outside?
A. Do B. Shall C. Will D. Would
