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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 889

To be an excellent lecturer, you must be a clear speaker, with a strong and pleasing voice that is fully under your _______.

A.hand B.influence
C.control D.authority
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Tobeanexcellentlecturer,youmus