He has been away from China( )three years agoA.after B.in C.for为什么呢?

long has he been away? He _____ his hometown for many years .( A has been away B has been away from) 这句话中has been away是谓语,还是has?还是been?还是has been?还是away?he has been away from home for months he has been away for three weeks.写出同义句, He has been away from here for ten years同义句转换为：He has been away from here_______ten years___ i wonder how long has he been away from australia 为什么不是i wonder how long he has been away .. He _______ Shanghai since he graduate from the universityA.has been to B.has leftC.has been away from he has been away from home for months这句话中has been away做什么成分?什么是谓语动词? he has been away from our school for two weeks的问题这里的has been away from 可以换成has left吗 为什么 He _____ Tokyo for a long time.a.has leftb.has been away fromc.had been awayd.has gone away from has left 和 has been away from When he got to the station, the train _________ for a long time.A. had been away B. had left C. has been away D. has left He has been away for 3 hours 这里用 has been away 是不是跟 for 3 hours 有关系吖 跟其它没关系吧 （When)did your uncle leave this hometown?He(has been away)for twenty years.对不对 he has been away from the school for many years .中”from”可以省去吗?为什么? He has been away from China( )three years agoA.after B.in C.for为什么呢? 同义句He has been away from here for three hours he has been away from the factory .a a week ago b since a week ago