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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 824

The lecture, ____ at 7:00 pm last night, was followed by an observation of the moon with telescopes.

A.starting B.being started C.to start D.to be started
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Thelecture,at7:00pmlastnight,w