It seems strange that the old man _____ have returned to college to finish the degree he left undone four decades ago.
A. would B. should
C. could D. might
I have decided that the course of conduct(行动) I am following is _____ with my sense of responsibility as president in time of war.
A. compulsory B. conventional
C. controversial D. consistent
But for the fact that he the truth , he for a week's imprisonment.
A. didn’t know; would be. B. hadn't known; might have punished.
C. didn’t know; would have been punished. D. hadn't know； could be punished
— When will the bike-sharing schemes be introduced to the public?
— Not until _______ a better understanding of them.
A. we have had B. will we have had
C. have we had D. we will have had
Bob was trying to ______ that he knew the famous singer who would perform in our city.
A. lay out B. let out C. figure out D. make out
When entering the office, _____.
A. Winifred was found sitting at a desk B. Winifred was found sat at a desk
C. we found Winifred seated at a desk D. we found Winifred seating at a desk
