英语 高三 选择题 简单 过去完成时与过去完成进行时 — 英语选择题 译林版·英语(高中) Unit 3 Back to the past AI 三重审校通过 题目 By the time the museum opened, the workers ___ the old ship for six months, but the repairs were still unfinished. A. had repaired B. had been repairing C. repaired D. were repairing 登录后查看答案与解析 用此考点生成试卷 本单元全部练习题 更多英语选择题