THE LAST TIME I SAW HIM WAS IN 2001.A. I DIDN’T SEE HIM SINCE 2001...

37. - DE KIEM TRA 1 TIET LAN 1
DE KIEM TRA 1 TIET LAN 1
37. The last time I saw him was in 2001.A. I didn’t see him since 2001.B. I hadn’t seen him since 2001.C. I have seen him in 2001.D. I haven’t seen him since 2001.