Tim is working for a big firm as an engineer是什么意思主要是as an engineer是什么意思为什么是as

Tim is working for a big firm.He is working for a big ( ) A society B company C factory在线等!新概念2上的! tim is working for a big firm.he is working for a big __.(society/company/factory/store)翻译?分别么意思?为什么? Tim is working for a big firm as an engineer是什么意思主要是as an engineer是什么意思为什么是as Tim is working for a big as an engineer.这句话中的as该怎么解释?求大神详解. 新概念2第四课里面都用了什么时态have just received a letter from my brother,Tim.He is in Australia.He has been there for six months.Tim is an engineer.He is working for a big firm and he has already visited a great number of different p 关于新概念二册第四课的问题I have just received a letter from my brother,Tim.He is in Australia.He has been there for six months.Tim is an engineer.He is working for a big firm and he has already visited a great number of different places 小学阅读英语习题7道.An exciting trip激动人心的旅行 I have just received a letter from my brother,Tim.He is in Australia.He has been there for six months.Tim is an engineer.He is working for a big firm and he has already visited a grea 新概念2 英语lesson4 An exciting trip 课文和问题如下I have just received a letter from my brother,Tim.He is in Australia.He has been there for six months.Tim is an engineer.He is working for a big firm and he has already visited a great nu 英语翻译Tim is working for a big firm as an engineer蒂姆在一家大公司担任工程师.这里的 work．．．as．．． what is your opinion of working for a foreign firm? he is working for a big firm as an engineer 句中的working是什么时态 （ ）I saw her,she was working in a shop.A.The last time B.For the last time C.To the last tim —Haven’t seen you for ages!What are you busy doing now?—____________ (A) I am working part tim ( )7.Hi,Tim!Here is a letter you.It’s Beijing.A.for; from B.to; from C.for; of .“Perhaps she is working for John.” “Yes,she ______ for him.”A.need have been workingB.ought be workingC.may be working D.ought have been working he is working for a big firm?he is working for a big firm可以不可以 改成he is working in a big firm?为什么要用for呢? working hard is good for you为啥用working急 working hard is good for you为啥用working