问题 更新时间2023/4/3 12:59:00 7. _____ scores of times ,but he still couldn’t understand it .(本题2.0分) A、 A Having explained B、 B Having been explained C、 C Though it was explained D、 D It was explained 答案 登录 注册 标准答案：D 出自：青书学堂 >> 东北林业大学-大学英语3
问题 更新时间2023/4/3 12:59:00
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