王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 We did not know exactly what had happened,but we that something unusual had happened.(本题1.0分) A、 were knowing B、 did know C、 have known D、 did not know 答案 登录 注册 标准答案:B 出自:青书学堂 >> 信阳师范学院中学英语教学论 信阳师范学院继续教育学院