Tony is a lawyer now but he in a delivery company for six years.A. has servedB. had serve

问题补充：

Tony is a lawyer now, but he in a delivery company for six years.

A. has served

B. had served

C. was serving

D. served

答案：

A. has served

B. had served

C. was serving

(答案→)D. served

解析：句意：现在Tony是个律师了，但是此前他在一家快递公司干了六年。A. has served现在完成时；B. had served过去完成时；C. was serving过去进行时；D．served一般过去时。一般过去时过去的动作或状态，也可以表示过去一段时间的动作或状态。故选D。

考点: 考查动词时态的用法。