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:单元测试 难易度:中档

    I forgot_____ the door just now. So I went back______and found it ______.
    A. to lock; locking; locked B. to lock; to lock; locked C. locking; to lock; locking D. locking; to lock; locked