1.The car damaged in the accident can't be used unless ___ completely .
问题描述：
1.The car damaged in the accident can't be used unless ___ completely .
repaired 我知道这里表示被动,所以用过去分词.而且我觉得unless后面省略了主语和谓语,这里是否 = it was repaired 还是 it is repaired .还是我的理解有误?
2.This is one of the means ___ the electricity energy is conducted from one place to another .正解是 by which .能否帮我分析下这里为什么用 by which 而不是 that \ which .
3.“ Put that money somewhere safe ___ it gets stolen ." Mom reminded me .正解是 before .句意该如何理解?“在被偷之前” 觉得不合适 但却不知道怎么理解好.
感激不尽.
答
1,你的理解没错误.这里 = it was repaired
2,BY有通过什么途径的意思.所以此处用BY
3钱被盗前放到安全的地方.妈妈提醒我