为什么不用had served?His brother who served in the army for 8 yea

为什么不用had served?His brother who served in the army for 8 yea he served in the army in_______ He served in the army in ___when he was in ____A.1940's ;his My father served in the army in ____when he was in____ 英语：The general having served 32 yeas in the army is due to r 英语解答the man who I served was wearing a hat.句子中的served was we the man who i served was wearing a hat里的served was wearing是什 the man who i served was wearing a hat.为什么wear要加ing 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 The man who i served was wearing a hat. The man who I served was wearing a hat 是he have served in army from 1952 to 1957还是