问题描述： 定语从句翻译：1.他用来写字的钢笔丢了. 2.应当做的事情已经做了. 1个回答 分类：英语 2014-11-03 问题解答： 我来补答 1The pen that/which he used to write was lost.2The things which needed doing has been done 展开全文阅读
