they had arrived just in time

they had arrived just in time They arrived long before the Europeans.这里arrived为何不用had arrived 不是在Europeans arrived之前吗? After she had left,they arrived the station. 英语翻译4._____ ten minutes earlier,they would have found a few empty seats on the bus.A.If they arrived B.Had they arrivedC.If they have arrived D.Did they arrived i____(tell)that they had already arrived用括号适当的词填空`` They had been talking when I arrived.这句话在语法上怎么解释?是什么意思？ Unluckily,a lot of oranges had a____been carried there when they arrived.填词,求英语高手, 找出They have had supper before we arrived here.中的错误 They had done （most） work when I arrived.对括号内容提问 正确形式:The committee had a heated_(discuss)before they arrived at a_(decide). after they ---at school,it began to snowa had arrived b had reached c arrived d reached选什么 为什么 可以把after的用法 通俗的 讲讲? When we ______,they ______ there for an hour.A.arrived;had been B.reached；had got 过去完成时两个动作 先发出的句子是从句吗we had had dinner before they arrived/ Fortunately,they arrived promptly and they had little difficulty _____ the fire stop burningAlettingBmakingCgettingdcausing答案选A我选B After they arrived, they found their parents had been taken away by force.这句怎么翻译好? When they arrived there,they discovered that everything had g_.根据句意填空（首字母已给出） After they ____ at the hotel, it began to snow. A. had arrived B. had reached C. arrived D. reachedAfter they ____ at the hotel, it began to snow. A. had arrived B. had reached C. arrived D. reached答案是A,为什么? About six months later,the letter they were looking forward to __at last .A.arrived B.arriving C.had arrived D.arrive