sb is appinted as chairman中的 as 是不是可有课不

appoint sb. as chairman 中as后职位 appoint sb as chairman 中as chairman 在句子中作什么句子成分? as far as sb.is considered as brave as sb和as brave as sb is那个正确 as .as sb can sb as well as sth./sb. be regarded as...是不是=regard sth./sb. as...? as后面跟什么 consider sb as、treat sn as、regard sb as是不是同义词? 英语语法问题as far as I know,he is very arrogant.请问这句话中的第一个as是不是虚词 as...as sb can 造句 as far as something go 和as far as something is concerned 是不是 是 as is know to sb.还是as it know to sb.