I will never forgert the day_____I joined the League.为什麽填when而不填that,这是什麽从句?

I will never forgert the day_____I joined the League.为什麽填when而不填that,这是什麽从句? I will never say never I will never back I will never regret I will never leave i will never follow I will never forgive i will never favorites I will never I will never bea “I will never say never.I will fight till forever !” A person I Will Never Spongebob smile,I will never I will never leave you i will never let you never will i forget you I will never forget you! I will never break your