这里them指代谁stratified societies are marked by differences amon

这里them指代谁stratified societies are marked by differences amon 这里的them指代的是谁啊? be marked by be marked with还是be marked by 一个英语句子 有关for them them 指代谁 帮我分析呀hours are marked by changes in the face of 这个them指代什么? they are at home by ____(them) there（is or are）some fish,指代fish时用it还是them A survey about what the politeness and impoliteness are amon that指代什么?GAs are stochastic search approaches inspired by na Are the sick taken good care of by them?