Her frugality should not be confused with miserliness; _____ I have known her, she has always been willing to assist those who are in need. a) the minute b)since c) as long as d) by the time 官方答案是 c) as long as 有人说是 d) by the time 我觉得d 好像比较通??
(b)since 也对。出题人不知道(b)也是答案http://ppt.cc/4X61 Cal... 的第2篇有详细的说明(特别是那个"during the entire time ....")"Practical English Usage" by M.S. 3e 也有这用法(since子句里头用 完成 时态)的介绍看样子这是源自某GRE题目。"as long as"本来是题干的一部分,但是不知哪个自作聪明的“抄”题人想做个变化,结果就是... ... 然后其他人跟着抄...