Mary said the money she spent yesterday in shopping ________
Mary said the money she spent yesterday in shopping __________1500dollars. A was added up to B added up to 为什么不选 不应该是 钱被合计为多少吗?] added就是过去分词表被动了.不需要再用be done 表被动了,那样时态就不对了 怎么就时态不对了呢
很简单. 1 added up to-- -- - 这个结构从来不用被动语态. 2 add A to B 有被动语态结构------- A is added to B. 3 还有,his coming added to our difficulty ------在这里也不用被动语态. -----明白了吗?