---I failed to catch the early bus because I overslept this morning.
---You_________have stayed up too late last night.

A.couldB.wouldC.should D.must

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All I have learned about the exam______ that three students faile D.


  1. A.
    is
  2. B.
    are
  3. C.
    will be
  4. D.
    have been

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