We got in my father's car and headed straight home and __________,I surely would have been stuck in the station for several days.
A. had I not B. did I not
C. if I didn't D. if I had
What if you _____ to send an essay with your application? Would you have been rejected?
A. forget B. would forget
C. had forgotten D. should forget
— Joe, don’t forget to bring your laptop with you tomorrow, OK?
— Oh, thank you. I wouldn’t bring it if you _____ me.
A. wouldn’t remind B. haven’t reminded
C. hadn’t reminded D. shouldn’t have reminded
________ anyone come to my office, please tell them I'm not available before four o’clock.
A. Might B. Could
C. Would D. Should
—What a pity! Their experiment is a failure.
—They ________ better under more favorable conditions.
A. should have done B. could have done
C. must have done D. may have done
— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.
—I can’t agree with you more. There ________ be errors for every single step.
A．should B．must
C．will D．can
