问题描述： 新目标九年级英语69页grammar focus的翻译 1个回答 分类：英语 2014-12-08 问题解答： 我来补答 我只有上册的when was the car invented?汽车是在什么时候发明的?It was invented in 1885 在1885年发明的when were electric slippers invented?电子拖鞋是什么时候发明的\ \ \ 他们是在去年发明的who were they invented by 谁发明的它们what are they used for 它们是用来做什么的? 展开全文阅读
