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:历年真题 难易度:较难

    ________ beneath the ground here ________ an estimated 40 million tons of copper and 100 million ounces of gold.

    A. Being buried ... /    B. Burying ... are C. Buried ... /    D. Buried ... are
  • 相关试卷