一道高中英语填空题 there was time i stayed in paris with my parents

there was time【when】 i stayed in paris with my parents
答案when,引导定语从句
再问： 还有一个空 there was （） time （） i stayed in paris with my parents 是俩
再答： 哦， 第一空用 a a time 表“一段时间”