jack has never been to Disneyland before,but he _____ there this summera,has beenb,is goingc,wentd,goes为什么不是is going to

a jack has been unplugged Has been imitated,never been surpassed. Jack's felt never able to believe her brother.能详细分析一下结构么.是was还是has?never少了been? jack has never been to Disneyland before,but he _____ there this summera,has beenb,is goingc,wentd,goes为什么不是is going to Imitation has always been,has never been beyond 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 Jack ()a teacher for months.A.has becomeB.has turnedC.has changedD.has been helen jack for 7 yearsA has been married to B has been married to C has married D has been married to空位于helen和jack之间， 翻译:She has never been there,has she?