I HAVE KNOWN HER ____________ I CAME TO HUE.A. SINCE B. WHEN C. WHI...

7. - DE KIEM TRA 1 TIET TIENG ANH 9
DE KIEM TRA 1 TIET TIENG ANH 9

7. I have known her ____________ I came to Hue.

A. since B. when C. while D. until