Last year I came to this factory and I have been working here ( )A ever since B after that time C from then on D then 我想请问为什么选A 不选C 都是从那时起的意思是吧?

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Last year I came to this factory and I have been working here ( )A ever since B after that time C from then on D then 我想请问为什么选A 不选C 都是从那时起的意思是吧?
Last year I came to this factory and I have been working here ( )
A ever since B after that time C from then on D then
我想请问为什么选A 不选C
都是从那时起的意思是吧?

Last year I came to this factory and I have been working here ( )A ever since B after that time C from then on D then 我想请问为什么选A 不选C 都是从那时起的意思是吧?
可以说from then,不用再加个on了

金太阳生物必修2导学测评答案

在现在完成时中,表示从一个时间点开始至现在,习惯搭配介词 since。ever since 一样, ever 用于强调一下连续性,从那是起就一直没间断,到现在。

from then on 虽然意思也是 从那时起
但是它没有强调持续到现在, 所以把它理解成是过去的 用一般过去时