一道英语选择题： He worked seven days a week, six of which until one clock. 这是定语从句吗?从句是否有省略,完整的应该是怎么样的?

一道关于英语时态的选择题,急求~He joined the army in 1950 and ______ there as a chemist for 5 years. A. has worked B. worked C. had worked D. would work请说明理由，尤其是for的用法~越详细越好！ 一道英语选择题： He worked seven days a week, six of which until one clock. 这是定语从句吗?从句是否有省略,完整的应该是怎么样的? 一道英语选择题albert said ,he met the girl （）A at his uncle Smith's roomB at smith's his uncle's room He has worked there (s) last year 一道英语选择题-时态-- I heard that Fred lost hisjob at the factory.Is it true?--Yes,it is...and it's really a shame.He________there for a long time.A.had worked B.worked C.works D.had been working 选哪个,为什么?不确定答案的朋友 英语选择题一道 一道英语选择题22.30 一道英语选择题,学霸请戳 询问一道英语选择题. 一道英语选择题, 一道小小英语选择题 一道选择题 英语 问一道英语选择题 求一道英语选择题 请教一道 英语题,谢谢Danny——hard for long to realize his dream and now he is popular.为什么用现完has worked不用过去式 worked 一道英语选择题= Who is playing the piano in the next room?( ) is Li's brotherA.This B.That C.It D.He讲下理由、谢。 一道英语难题 选择题Hello,may i speak to Bob?_____________.Would you please call him late?A Wait a minute. B Hold on. C He's at work. D Sorry, he's out. 一道英语选择题 as the boy ( ) his mother's advice , he avoid a mistake.as the boy ( ) his mother's advice , he avoid a mistake.A. depended on B. followed inC. acted on D. replied upon