My uncle was in the USA three days ago.(对划线部分提问) 划线部分为in the USA

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/24 02:31:23

My uncle was in the USA three days ago.(对划线部分提问) 划线部分为in the USA

Where was your uncle three days ago?