Had I known about this computer program, a huge amount of time and energy ________.
A.would have been saved B.had been saved
C.will be saved D.was saved
If he ________ my advice, he wouldn't have lost his job.
A.followed B.should follow
C.had followed D.would follow
Bob would have helped us yesterday, but he ________.
A.was busy B.is busy
C.had been busy D.will be busy
—I left my handbag on the train, but luckily someone gave it to a railway official.
—How unbelievable to get it back! I mean, someone ________ it.(2011·江苏)
A.will have stolen B.might have stolen
C.should have stolen D.must have stolen
—Pity you missed the lecture on nuclear pollution.
—I________it, but I was busy preparing for a job interview.(2011·福建)
A.attended B.had attended
C.would attend D.would have attended
I ________ through that bitter period without your generous help.(2011·陕西)
A.couldn't have gone B.didn't go
C.wouldn't go D.hadn't gone