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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 913

When he joined them in the work, he was disappointed at there _______ so little to do.

A.being B.were C.having D.had
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Whenhejoinedtheminthework,hewa