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:选择题 题类:历年真题 难易度:易

    (2016•山东) Linda’s parents bought a large house with a swimming pool. It         be very expensive.
    A. must B. need C. mustn’t D. needn’t