33.Before the conference, a new problem came up could speak on behalf of our group. A.that B.who C.which D.how 【查看更多】

 

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Before the conference, a new problem came up __________ could speak on behalf of our group.


  1. A.
    that
  2. B.
    who
  3. C.
    which
  4. D.
    how

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Before the conference, a new problem came up __________ could speak on behalf of our group.

    A.that  B.who   C.which D.how

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