问题 更新时间2023/4/3 12:59:00 _____ scores of times ,but he still couldn’t understand it .(本题3.0分)A、 A Having explainedB、 B Having been explainedC、 C Though it was explainedD、 D It was explained 答案 登录 注册 标准答案：D 出自：青书学堂 >> 延安大学大学英语
问题 更新时间2023/4/3 12:59:00
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