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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1797

Asimov began having his stories ______ in science magazines in 1939.

A.publish B.published C.publishing D.to publish
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Asimovbeganhavinghisstoriesins