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:期中考试 难易度:易

    For those with family members far away,the personal computer and the phone are important in staying________.(  )
    A. connected B. connecting C. to connect D. to be connected
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