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:较难

    The laptops made by our company sell best, but nobody could have guessed the place in the market that they ________ 20 years ago.

    A. had had  B. had  C. were having  D. were to have
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