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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1118

________ the program,they have to stay there for another two weeks.

A.Not completing B.Not completed
C.Not having completed D.Having not completed
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theprogram,theyhavetostaythere