After the train had left the station 火车开出车站后After the train had left the station 火车开出车站?1.什么句型?2.为什么要加had?3.left是过去式或过去分词那它前面为什么还要加had?

After The Train Has we arrived at the station _____ the train had leftA.after B.before C.since D.when 选什么 The train had just started ____we arrive at the station.Awhile B when C after D since选哪一个为什么 4、He reached the station _____the train had left（ ） A、after B、before C、where D、as理由 No sooner had they got off the train _______ it started moving.A.when B.than C.then D.after After he got off the train.RT He reached the station _________ after the train had left.A.after B.as C.where D.before感谢你的答案,也要详细的分析去掉那个after标准答案就是after,但我想要分析 After the train had left the station 火车开出车站后After the train had left the station 火车开出车站?1.什么句型?2.为什么要加had?3.left是过去式或过去分词那它前面为什么还要加had? After the train had left the sation.火车开出车站后.请问After是什么词性,在句中起什么作用?Ater the train had left the sation,the lady opened her handbag and took out her powder compact.火车开出车站后，那位妇女打开了 Hardly/ Scarcely had they reached the station when the train he got to the train station the train had left需填三空在句首 He reached the station______the train had left(介词填空) Excuse me ,can you tell me ______?A.dose the train leave B.If the train had left C,if the train leaves D.did the train leave After we cleaned the windows had After the long time spending in the train.和After the long time spent in the train.哪个对请讲讲为什么 帮助请将括号内进行英译中,We were off to the front,so,once again,（we had the plasant prospect of being allowed a sweet heroic death for the beloved Fatherland.We went through East Prussia West Prussia Brandenburg）.Train after train cra 5.__________,the train started.A .The signal given B .After the signal was 5.__________,the train started.A .The signal given B .After the signal w