用"be familiar to""centre on/upon""concentrate on "造句．这3个短语各造一个,谢谢!

be familiar with 与be familiar to 的区别 be familiar 后什么时候用with 和to be familiar with/to 有什么区别? be familiar with/to 有什么区别? be familiar to sb还是sth be/get familiar to/with的用法sb be/get familiar with...这个我知道...be(/get) familiar to sb.也就是说...get familiar to sb. sb be familiar with sb/sth,sth be familiar to sb, sb be familiar with sb/sth,sth be familiar to sb, be familiar 后设么时候用to ,设么时候用with be familiar to 和be familiar with的区别和各自的用法,还有be connected to,be connect with be familiar with 和to 有什么区别 be familiar to与take after的区别 be familiar to/ with 后分别加什么 be familiar to和with有什么区别? familiar加人用with还是to be familiar with 英文翻译 be familiar with 用be familiar tocentre on/uponconcentrate on 造句．这3个短语各造一个,谢谢!