You must have left your key in the office on the bus. A. both; and B. neither; nor C. either; or D. not only; but also 查看更多

 

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You must have ________ your key ________ in the office ________ on the bus.


  1. A.
    left; either…or
  2. B.
    forgotten; either…or
  3. C.
    lost; neither…nor
  4. D.
    left; both…and

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