一道英语选择题9It had been important for American's economy ever __ colonial farmers grew tobacco.A.beforeB.afterC.sinceD.until最好写下理由

一道英语选择题9It had been important for American's economy ever __ colonial farmers grew tobacco.A.beforeB.afterC.sinceD.until最好写下理由 姐姐、问你一道英语选择题哈~-What place is it -Have not you found out we _______back where we ____?A、were;have been B、are;were C、were;had been D、are;had been 选什么?为啥? 一道关于完成时的英语选择题She couldn't go camping because she caught a cold.It was really a shame.She ____to it.A.had been looking forward B.has been looking forward C.had looked forward D.has looked forward 选哪个?为什么?不确定 一道英语选择题,When we got to the Shanghai Concert Hall,the concert ___for ten minutes.A.has been on B.had been on 一道英语选择题-时态-- I heard that Fred lost hisjob at the factory.Is it true?--Yes,it is...and it's really a shame.He________there for a long time.A.had worked B.worked C.works D.had been working 选哪个,为什么?不确定答案的朋友 一道英语选择题十二11Our teacher didn’t know how log the Greens _____ China .A.have come to B.had been in C.had gone to D.had been to请说明理由 一道英语选择题i＿＿my hometown since two years ago．A.leftB.haveC.have been away fromD.had left为什么? 问一道四级英语选择题All the flights( )because of the snowstorm,we had to take the train instead.A.were canceled B.had been canceled C.having canceled D.having been canceled 一道初四英语选择题Tom wanted to know__________ shanghai to see the World EXpo.A.if they have gone toB.if had they been toC.if they had gone toD.if have they been to 一道英语选择题（3.2）I ___ to see a movie had it been at all possible,but I ___ fully occupied the whole of last week.A would have gone,wereB went,had beenC will go ,have beenD would have gone,was请问这个选哪个?请分析一下语法 一道英语选择题,麻烦告诉我为什么这样选I_to help you but I was not able to spare any time.I _a paper last night and I will finish it tonight.A wanted;have been writing B have wanted ;wrotedC had wanted;wrote D had wanted;was writing 谁能帮我解一道英语题：-----many times,but he still could not understand it.A Having been told B He had been toldCThough he had been toldDHaving told在写上解析, 一道英语选择题,请各位帮忙一下!The police found that the house_ _ and a lot of things_ _ .A.has broken into ;has been stolen B.had broken into ;had been stolen C.has been broken into;stolenD.had been broken into;stolen选哪个,为什 英语 it was...beforeit was 能说 had been么?it was 能说 it had been么？ 一道英语虚拟语气的题－－for the reservior(蓄水池),we'd never have been beat the drought.A.were it not B it was not C had it not D it had not been我可以派出答案B和D.把C选项改为 had it not been就对了.但是我不明白为 一道英语选择题：They ___ since they left last July.（ ）They ___ since they left last July.A.had been away B.have been away对的话,请说一下理由. 一道英语选择题.请问,该选哪个?I'm sure it will never happen,but if he ______ late for work again,he _________ fired.‘我相信不会发生这个事,但如果他再一次迟到的话,他也许会被辞职.’(A) had been / might have bee 一道英语选择题,等同于送分呐-Have you been to the Dinosaur World ,Susan?-Yes,I ( ) it last week .A.have visited B.visited