I worked in northwest China for many years 语法for many years,是不是应该用完成时.PS：此句出自温家宝演讲官方译本,大家一搜便知.

i live in where i worked对不对 I worked harder than anyone else in my class.=I worked harded than ___ ___ ___ in my class. -Have you __ worked in a company -Of couse.I worked in a radio company __ four years. While I worked in the USA=( )( ) in the USA 中为什么前面while后用worked而不是working? I worked in Shanghai for three years--Are you still working in Shanghai?--No,I'm working in Ningbo now.I_____in Shanghai for three yearsA.worked B.have worked C.had worked D.was working i worked very hard in this s____.i think i could do b_____ than last year I ( )in the factory for over one year A.work B.worked C.have worked D.was working 英语翻译have i worked? I worked hard 英语翻译Tom worked in the garden while I was sitting in the sun. I worked as a registered nurse in a private clinic in the last half While I worked in the USA= (两个空) in the USA I've worked with children before ,so I know what to expect in my new job. i think i saw mary worked in the library last night为嘛不是working,原因 I've worked with children before,so I know what _____ (expect) in my new job. i worked hard...i studied in college to support my education.untilsoifwhile选哪个为什么 I worked as a teacher in a language schoolI worked as a teacher in a language school last summer vacation 翻译 since能否用于一般过去时?譬如since 2004,I worked in XX factory.