He studied in this primary school for six years,in which he
He studied in this primary school for six years,in which he was praised many times. 这个句子中 in 提前放于引导词which前面 有什么特殊意义? 希望大家顺便参考一下我的另一个提问 我一直纠结在这问题上 也参考一下这个 我敢确定一定有一种说法是 介词放于引导词前和不放于引导词前句意是不一样的