My mother has never been abroad
My mother has never been abroad
My brother has never been abroad before
解释句子成分:My brother has never been abroad before."
My brother has never been abroad before中为什么要用has never been
my brother has never been abroad before 这句话 是这个has been to去某
My father has never been to Hainan.My mother has never been
1 Mother has never been abroad ______,so she feels excited a
my brother has never been abroad before为什么用been而不用gone?
He has never been happier,and my mother has never been happi
my uncle has never been abroad ()填yet 还是befor?为什么
my brother has never been abroad before1那个是表示时间的状语
新概念英语 My brother has never been abroad before 这里before为什么在后面