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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 353

High school students continue to work hard, _______ they often complain about great burdens and pressures in their life.

A.as if B.as long as C.unless D.even though
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Highschoolstudentscontinuetowo