Tom liked painting pictures before 同义句转换 Tom liked painting pictures___ ___ ___

Tom liked painting pictures before 同义句转换 Tom liked painting pictures___ ___ ___
Tom liked painting pictures before 同义句转换 Tom liked painting pictures___ ___ ___

Tom liked painting pictures before 同义句转换 Tom liked painting pictures___ ___ ___
in the past 在过去 before以前

at one time. 一度，从前的意思

at that time