问题描述: The letter he had been looking forward to(arrive) at last. 1个回答 分类:英语 2014-11-20 问题解答: 我来补答 was arrived 再答: he had looking forward to 是修饰the letter 的定语 再答: 哦,我错了,是arrived再问: 为什么 再答: 主语是the letter, 与arrive 是主动的关系再问: 主动关系就应该是arriveing啊 再答: 这句话可以等价为the letter arrived at last 再答: 懂了吗 展开全文阅读