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:模拟题 难易度:较易

    ---The novel seems a little boring.
    ---You won't enjoy it _______ you put your heart into it(  )
    A. when B. if C. after D. unless
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