There was once ___ time ___ they were good friends 为什么填a,when
问题描述:
There was once ___ time ___ they were good friends 为什么填a,when
答
There was once a time when they were good friends
从前有一段时间 他们曾是好朋友
There was 有
once 从前
a time 一段时间
when 关系词
when they were good friends 定语从句
我也可以加分哟 哈哈