He had worked in this school ___ the war broke out,but___ he had to leave the school.A long before；long beforB before long；before longC long before；before longD before long；long before

He said he ( ) in that factroy since 1949.A.has worked B.had worked C.worked D.was working How long has he worked in the radio studio? Can you tell me.合并成宾语从句是he had worked 还是he has worked说明一下理由 though he worked hard ,he still had a little difficult e himself in english.首字母填空 Mark _________ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked C.had worked D.is working Mark_in China for 10 years and now he teaches Chinese in Britain 请说明理由 回答其他答案忽略A、has worked B、worked C、had worked He works in China,but he___in Africa for 8 years.A.work B.has worked C.had worked D.has been workingA选项写错了，应该是worked. While_______money,he had worked very long hours He is in China now.He ____ (work)in Africa for 5 years.请问到底填worked还是had worked?rhebok 和 Splendidyuki 说的很有理 He works in China now ,but he __ in Africa for eight years.(worked/had worked)请问后面括号里面应选哪一个?为什么? He worked in an office. ___ he would have succeeded in the examinations.A If he has worked hard B If he works hard C If he worked hard D Had he worked hard 选什么?为什么? He in the factory for three years before he joined the Army.A has worked B works C had worked Dwill work He works in a factory now, but he _____on a farm for 20 years. A.worked B.had worked为什么答案选了A 而不选B though he worked hard ,he still had a little difficult e himself in english.首字母填空e后面填什么 He said that he had worked all day yesterday.had worked 我用的对吗? 这句话有没有错误?帮我改正He always had been engaged in database development in those companies,for which he worked since he graduated Mark ____ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked C.hadMark ____ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked C.had worked D.is working选B还是选C？给出理由。 Mr.Smith worked in a small town s___he left college.He had his……这篇文章谁有完整的