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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1654

Can you believe his reason for being absent from the class _____ he had to look after his sick mother at home?
A.while                 B.that                    C when                    D.as

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Canyoubelievehisreasonforbeing