问题 更新时间2023/4/3 12:59:00 68. He was doing some washing __________ .(本题1.0分) A、 at eight yesterday morning B、 yesterday morning eight C、 yesterday morning at eight D、 by eight yesterday morning 答案 登录 注册 答案:A 出自:青书学堂 >> 河北建筑工程学院-大学英语2(高起本)