he went abroad,never to return为什么用to return而不用returning

he went abroad,never to return为什么用to return而不用returning I have never been abroad .He has never been abroad,either.的同义句 He has never been abroad,has he?怎么翻译 He has never been abroad before.这里的been是什么 He has never been abroad before 分析下句子结构 he never went swimming,( )( )? (反问句) He has never m_____ that he has an aunt abroad,so I know nothing about it 单词的适当形式填空（ ）on,he went abroad for further study.(late)为什么 He went abroad to study further.请问这句话语法有错误吗? Before he went abroad,he spend as much time as he could______English.用 learning 还是用 to learn He has never been abroad before.这句话的主谓宾结构是怎么分的. acted as if he had never been abroad before.句子成分怎样划分? He never goes to the cinema.还是He never went to the cinema He has never been abroad,________?Yes,I think so.选项：A.has he B.hasn't he 一句英语He graduated from the school,after which he went abroad这个句子中after which是什么结构, After graduating from the English Department,he went abroad for further education中After graduating from...是什么语法? 1、___ ___ ___ he left his parents and went abroad. 那就是他离开父母去国外的原因. 用so,such,such a,such an 连接以下各组句子 1.Don is an impa用so,such,such a,such an 连接以下各组句子1.Don is an impatient person. He never waits for anyone. 2.We had difficulties while we were abroad. We're sorry we went there. 3.Wil