Once the sands have run out of a person's hourglass, they cannot

分类: 综合英语(二)(00795) 发布时间: 2024-07-28 14:57 浏览量: 1
Once the sands have run out of a person's hourglass, they cannot be ______. (replace)
【正确答案】:replaced
【题目解析】:此处需要填入被动语态中的过去分词。