应该是when ,作时间状语
作宾语的时候用that
关系代词和关系副词的比较 具体地说,关系代词在定语从句中作主语、宾语或表语,而关系副词在定语从句中作状语.试比较下面的句子:(1)Do you still remember the days that / which we spent in Qingdao?(作宾语) (2)Do you still remember the days when we spent the summer holidays in Qingdao?时间状语
应该是when ,作时间状语
作宾语的时候用that
关系代词和关系副词的比较 具体地说,关系代词在定语从句中作主语、宾语或表语,而关系副词在定语从句中作状语.试比较下面的句子:(1)Do you still remember the days that / which we spent in Qingdao?(作宾语) (2)Do you still remember the days when we spent the summer holidays in Qingdao?时间状语