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But for Jim's materials from the Internet, our group the written report of the exploring course in advance. A. shouldn't have carried out B. hadn't carried out C. won't carry out D. couldn't have carried out 【查看更多】

 

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But for Jim's materials from the Internet, our group          the written report of the exploring course in advance.

  A. shouldn't have carried out        B. hadn't carried out

  C. won't carry out                      D. couldn't have carried out

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