lt's a long time () l saw him last

lt's a long time () l saw him last lt's a long time since we met last it's a long time since i last saw you It's a long time since i saw you last. ----It's a long time ( ) I saw you last. ---It’s a long time ______ I last saw you. lt's a long time since i last see you还是lt was a long time si It's a long time that saw you (we met) last time,you looks w it is a long time since l last saw you__________ 为什么填at Mrs. It's been a long time since I last saw a film.还是It's a long ----It's a long time ( ) I saw you last.----Yes,and what a p it's a long time since i last saw you这句话有错误么