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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1244

Professor Smith,along with his assistants, ______  on the project day and night to meet the deadline.

A.work B.working
C.is working D.are working
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ProfessorSmith,alongwithhisass