1.otherjobs,suchasthatofaschoolteacher,mayofferfewadvancementoppotunities.其中suchasthatofaschoolteacher的thatof是什么成分啊感觉好奇怪在这个句子里
2.itisnotalwaysthemostqualifiedcandidateswhosucceedinfindingaposition,but,increasingly,thosewhousethebesttoolsavailable.其中whousethebesttoolsavailable这个从句没有动词啊是省略什么成分了么