had been invited 和were invited有什么区别?题：Most of the guests_____to Betty's birthday party were her classmatesA invited Bto invite C being invited D had been invited

we‘d been invited to a ball翻译如题 we’d是不是we had? had been invited 和were invited有什么区别?题：Most of the guests_____to Betty's birthday party were her classmatesA invited Bto invite C being invited D had been invited had been 和 Having been 区别?____ by an American university , I finally flew to XX on August 1, 1988Having been invited / Had been invited为什么选后面一个? no one ___ to yesterday's party except Lily.she's so lucky!A.was invited B.had invited C.has been invited D.had been invited being invited和 having been invited 它们的形式是什么? she is one of the students ___to the ballwhich have been invited that have been invited who had been invited who would be invited most of the artists ------to the party were from south africa invited b had been invited 英语 ：most of the artists ------to the party were from south africA invited D had been invited 1.为什么这里不能选had been invited 2.为什么 had been invited之前加Who也正确 not having been invited和having not been invited那个是对的? 1.Most of the artists ＿＿tothe party were from South Africa.A.invited B.to intive C.being invited D.had been invited 2.￣￣Shall we go swimming together ——Ok,I'll just go and get ＿＿A.to change B.to be changed C.changed D.changing 3.This The old scientist said that he ____to visit their country before long.A.invited B.had been invited C.was inviting D.would be invited Most ot the professors ____ to the conference were from Beijing University.A.invited B.to invite C.being invited D.had been invited这一题标答是选A, 有关将来时的英语题I____to visit their country soon.A.have been invited B.am being invited C,had been invited D.shall be invitedPs：解释B和D即可,我知道A、C肯定不对.我觉得B中进行时表将来也可以啊,但答案给的D.不 We look forward to ( )to the opening ceremonyinvite B be invite C having been invited D being invited We had never been there before翻译 It was for the first time that he------to the party.A had been invited B was invitedIt was for the first time that he------to the party.A had been invited Bwas invited 为什么选A不行, He is one of the students who（ ）invited to the meeting.A have been B Has beenC.Had been 英语,has been和 had been