问题

How could they keep us waiting for so long? — They got on the bus half an hour ago and they ________ be here in ten minutes, I think.
A:might
B:would
C:should
D:must
B:would
C:should
D:must
正确答案是:
同类题型
______ does your brother watch TV every day — For half an hour.
Tom is crazy about painting. I think he has a real _______ for painting.
Have you heard the amazing news —–But it _______ be true. Anyonewith common sense won’tbelieve it.
Will James attend the party — He has just arrived, but I didn’t know he ______ until yesterday.
— Why do you want to work for our company? — This is the job that I _____for. [ ]