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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 531

. It wasn’t long before they found that there was much trouble ___ the plan.

A.to carry out B.carrying out
C.with carrying out D.to have carried out
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.Itwasn’tlongbeforetheyfoundth