when we spent the summer holidaysin Qingdao是修饰the days 的定语从句
请在客户端右上角评价点“满意”即可,Do you still remember the days that we spent in Qingdao?是什么从句？Do you still remember the days when we spent the summer holidaysin Qingdao?此句中的 when we spent the summer holidaysin Qingdao也是定语从句从句因为主语， 宾语齐全， 缺时间状语， 才用关系副词when Do you still remember the days that we spent in Qingdao?此句中的that we spent in Qingdao是定语从句, 由于spent 是及物动词， 缺宾语，所以用that 这个关系代词