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。