l served in the company for 5years.这里的动词为什么可以用过去式,不是说for加一段时间必须用完成时么

翻译：the soldiers served in the past time lt seems that l once met with the man（ ）us A served B to served C being served D serving l served in the company for 5years.这里的动词为什么可以用过去式,不是说for加一段时间必须用完成时么 In some parts of the world,tea is served with milk and sugar.为什么这里要用is served这里的served解释为什么,要serve确切翻译 Is Lin Tao a solider?No,but 和（）in the army for three yearsA.has served B .had served C was serving D served为什么C不对 为什么不用had served?His brother who served in the army for 8 years is no working for MIcrosoft. Supper,the main meal of the day,is served b_ six and eight in the evening 句子正误do you know the delicious food served in that hotel?do you know the delicious food served in that hotel? --Dose Liu Hui serve in the army?--No,but he ( ) in the army for three years.A served B has served C is aerving D would serve __better in 2010 World Expo is the duty of every citizen in Shanghai.A.Being served B.Serving C.Serve D.Having served 完成时和过去式的判断Nana served as a photographer for five years in the club,and now she is the CEO.为什么不是has served In the beach house,there was a small room（）A.being served as a kitchen B.served as a kitchen C.serving as a kitchen D.in which served as a kitchen 为什么不能选D呢? He served in the army in the 1940's,when he was in his twenties.怎么翻译, Help yourself to some fish. The fish served in this restaurant are caught locally.翻译 D___ is sweet food served after the main part of a meal in wastern films. a young man with dark hair served helen in the restaurant There is much truth in the idea that kindness is uaually served by frankness. 请问There is much truth in the idea that kindness is usually served by frankness.