下面我这个英语句子正确吗?关于since 的用法
问题描述：
下面我这个英语句子正确吗?关于since 的用法
Since the terminal was put into use in 2004 ,there is no project quality problems been found so far.
这句英语句子正确吗?
答
i've known him for approximately one year since he joined IN my research group.(corrected)but i would say,i've known him for about a year since he was in my research group.'approximately' sounds too a...