Bob ____ hard, otherwise he _____ this exam.
A. must have worked…would fail
B. mustn’t have worked…wouldn’t fail
C. can’t work…wouldn’t have failed
D. can’t have worked…wouldn’t have failed
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____ today, he would get there by Friday.
A. Would he leave
B. If he leaves
C. Was he leaving
D. were he to leave
____ it rain tomorrow, we would have to put off the visit to the farm.
A. were
B. should
C. would
D. will
If I _____ in the 22nd century, I ________ my vacation in a very different way.
A. should live; would spend
B. will live; should spend
C. are living; should have spent
D. will be living; would have spent
I saw her in the office this morning. She ______ back to work without the doctor’s permission.
A. couldn’t come
B. couldn’t have come
C. should have come
D. should not have come
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