问题
选择题
---Does your brother serve in the army?
---No, not now. But he ________ in the army for 8 years.
A．would serve
B．was serving
C．had served
D．served
答案
答案：D
这题考查时态，句意是：--你哥哥在军队服务吗？--不，不是现在，但是他在军队8年。在军队8年属于过去的时间，选D。