____ have you been travelling?Since I was a boy.A Since when B When应该选哪个?为什么?

You have never been to the aquarium,____?a have youb haven't youc don't youd do you where have you ____?I didn`t find you in your officeI______to the library.A.gone;have gone B.been;have gone C.been;went D.been to;have been速度．．．． 英语语法：You ____ him so closely; you should have kept your distance.A.shouldn't follow B.mustn't follow C.couldn't have been following D.shouldn't have been following 请问ABC错在哪? --Henry promised to come to see you today.--But he ____.I have been alone.A.hasn't B doesn't C didn't D .hadn't ---I didn’t see you the whole summer holiday.---I ____ Yunnan on August 2nd.I ___ there for two weeks.A.went to,have been B.have gone,have goneC.went to,was D.have gone,have been How long have you been ____?动词填空 You ____ her in her office last Friday; she's been out of town for two weeks.A.needn't have been B.must have been C.might have been D.can't have been怎么看这里用不用虚拟呢? I haven't seen you these days,where _____ you ____?该填什么?是have…been 还是 did … go为什么? Where have you ____?I have ____ Beijing .A gone,gone to B been,been to C gone,been toD been,gone to ---- where have you ____ these days? ---- i have ____ to Dazhu with my friends. A. been, gone B. been, been C. gone, gone D. gone ,been where ____?i am looking for everywhere A.have you gone B.have you been lover、i won't love you until i have been Were you going to help the farmers ____(pick)apples?l don`t like _____(cook) but my mother does would you like ____（feed）the bird?l``have been to hong kong twice （twice划线）___ ____ ___ have you been to hongkongDon`t walk on the grass （ 1.Tom ____ the accident ____ ____ ____ ____ (亲眼目睹）.He could tell you in detail.2.This ____ in a short time.We still have something more important to do.A.can't be done B.can done C.mustn't be done D.have been finished .3.Put the stone ____ Both you and she( )there ,have you? A has been B hasn't been C have been D haven't been Have you been to? How have you been? Have you been recently.