问答题
Working two jobs is common among struggling actors, the majority of them work in restaurants that allow them flexible hours to audition.
【正确答案】正确答案：them--whom
【答案解析】解析：由句中的逗号可知，下半句为上半句的非限制性定语从句，对其进行补充说明，故应用关系代词whom而非指示代词them引导，此处whom代指上半句中的struggling actors。