John has never been to the space museum.怎摸翻译?

John has never been to the space museum,____?A.has John B.has he C.hasn't he John has never been to the space museum.怎摸翻译? john has never been __ a plane. A abroad B aboard C board D broad John has never been to the space museum改否定句和疑问句 John has never been to a science museum with his father.对划线部分提问(划线部分：a science museum) Has been imitated,never been surpassed. Imitation has always been,has never been beyond 英语这题这个词的词性John has never been ____a plane.答案填aboard 请问这里它是副词还是介词?为什么呢? My mother has never been abroad The World Has Never Been Untrue是什么意思 Has never been forgotten because of dismay. He has never been there.英译汉 He has never been to Beijing.（对never提问） He has never been abroad before.这里的been是什么 My brother has never been abroad before为啥加been? Has been copy, have never been surpassed是什么意思 My brother has never been abroad before中为什么要用has never been 为什么要用has never been has和been He has never been happier,and my mother has never been happier,_____neither either