Be back from business trip.Kind of tired but quite happy 该怎么翻译

I will be back,from .be from be over .come back come back from和back from存在吗用了come 是不是就不用be back from 英语back和be back有什么区别?She will back from school.She will be back from school.有区别么? 改错1.My father will be back from America at present 2.I'll be back at the moment back from意思求大手解决困惑We will be back from England in three days这里的back是形容词还是副词啊疑问啊啊啊 back home from stand back from you're back from comes back from w . 怎么解释这句句子be back from Shanghai是从上海回来还是回到上海 my father will be back from Beijing ___ a week(in/for/after/later) I am sure you all will be (r) when you come back from the holiday How long will you be able to come back from you travel His father will be back from London ____ a few days. His father will be back from Beijing ________a month.C.in D.forD 为什么错了? i'm seeing tne professor tomorrow,__he will be back from new yorkwhen who which that