He stayed there for quite a long time ,bring [ ] time he learned much spoken English.

问题描述:

He stayed there for quite a long time ,bring [ ] time he learned much spoken English.

打错了吧。后面应该是during that time

during which

bring 应是during,后面的空格应填which,是定语从句.句意为:他在那儿待了相当长的一段时间,在这段时间里他的英语口语练习了不少.