职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:英语知识运用 题类:单元测试 难易度:中档

    It is thought that Zheng He, a Chinese in the Ming Dynasty, may have been the first person who _____________America from the East.
    A. set out to        B. set about to C. set sail to      D. set sail for
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