They had been talking when I arrived.这句话在语法上怎么解释?是什么意思？

英语翻译they had been- yes,well- pecked A asked her FRIENDS（ ）DURING THE THREE-DAY HOLIDAYWHERE THEY HAD BEEN? WHERE HAD THEY BEEN? WHERE THEY HAD GONE?WHERE HAD THEY GONE?WHY? They had failed to locate the ship they had been sent to look for.翻译. they said they---here several timesA had come b came c were d had been 英语翻译they had been going out for a long time had been John and Mary_______for years before they got marriedA had broken up B had been in love C had separated D had been divorced They said at last that they _______ better start out at onceA.had had B.had C.had been D.was 是哪一个为什么？ They told us that sick boy ___to the hospital before they arrived A.has been taken B.has takenC.had taken D.had been taken 11.I think they are dating.They ____a lot of each other recently.A .had seen B.had been seeing C.have seen D.have been seeing 英语翻译People try to put us d-down (Talkin' 'bout my generation)Just because we get around (Talkin' 'bout my generation)Things they do look awful c-c-cold (Talkin' 'bout my generation)I hope I die before I get old (Talkin' 'bout my generation)Th what had been done had been done. I didn't know when they ____ again.A.came B.were coming C.had come D.had been coming When we ______,they ______ there for an hour.A.arrived;had been B.reached；had got They asked me ( )during the holidays.A where i had gone B where i had been 选哪个 When they h_____________to the cinema,the film had been on forhalf an hour. the day they had been looking forward to came at last 为什么用came不用coming 翻译One in three said they had been bullied by their sibling.