问题 更新时间2023/4/3 12:59:00 The emergency required that all the tasks ____________ at least two days ahead of time.(本题2.0分) A、 to complete B、 should complete C、 be completed D、 should have been completed 答案 登录 注册 标准答案:C 出自:青书学堂 >> 商丘师范学院-英语语音与正音(一)(高起专)