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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1490

The three nations were wise enough not ____the agreement until they could discuss it further.

A.to sign B.signing C.having signed D.to have signed
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Thethreenationswerewiseenoughn