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:月考试卷 难易度:较难

    We must remember the health and safety of our oceans is our individual responsibility, _______ that we can’t afford to ignore.

    A. one B. that C. what D. who
  • 相关试卷