英语:unit1 Tales of the unexplained-reading学案(牛津译林版必修2)
英语:unit1 Tales of the unexplained-reading学案(牛津译林版必修2)第4页

6.I haven't seen Justin since.

since adv 和现在完成时或过去完成时连用

表示 "自那以后,后来".

Her husband died 10 years ago but she has since remarried.

The incident was unlike any other before or since.

He came to England in 1989 and has lived here ever since.