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:其他 难易度:较难

    ________ the doors were closed, and ________ all the lights were off, the boy opened the door to his bedroom.

    A. Having checked; that  B. Having checked; / C. Checking; where  D. To check; that
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