问题

Did you go to his birthday party last night?— No, I____, but I had some extra work to finish. [ ]
A: must have
B: could have
C: could
D: ought to
B: could have
C: could
D: ought to
正确答案是:
同类题型
I see that I am speaking ________ to a hardened heart to make him change his mind[ ]
May I go to the zoo with you next Sunday—No, you can’t, you have a ticket. I have only one ticket.
Though there are many beautiful dresses in the shop, yet none could ________ her.
The race was so ____ that everyone was ____ at the finish. [ ]