She got to know the young man very well___she had worked for so long.这里是填to whom/ in whom /whom/ with whom
问题描述：
She got to know the young man very well___she had worked for so long.
这里是填to whom/ in whom /whom/ with whom
答
with whom
she had worked 【with the young man】 for so long 要像这样把后面的从句补全了你就知道了~