He studies in Nanjing for two years before he came here.

He studies in Nanjing for two years before he came here. He English for five years before he came here He ____(teach)in Shanghai for two years before he came to te he came here two hours before 改错 Mr Smith （）（learn）Chinese for two years before he came to Ch He came here two years ago.对划线部分提问 he came here two years ago(同义句） Mr.Brown worked in a bank for a year before he came here.这个句 He had lived in the town (for six years) before i moved here It was three years before he came you see,before he came down here, 坐等He came here before there days.