2011年06月18. —I cannot find Tom anywhere.—He _________ have been off long. I heard him make a call just now.
A. shouldn't
B. can't
C. mustn't
D. needn't
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2014年12月真题30.I wish I could have attended the job fair yesterday, but Iit.A)C)B)D)
A. missed
B. would miss
C. miss
D. will miss
2018年6月真题26.If I were you, Ithe company’s website for more detailed information.
A. would visit
B. will visit
C. visit
D. have visited
The teacher demanded that the work _____ before 4 o’clock.
A. finished
B. be finished
C. should finish
D. finish
What would have happened, _____ as far as the river bank?
A. Bob had walked farther
B. if Bob should walk farther
C. had Bob walked farther
D. if Bob walked farther