—Iwonderwhatmakesyouasuccessfulmanager.—I　　　asawaiterfo...

问题详情：

—I wonder what makes you a successful manager.

—I　　　as a waiter for five years, which contributes a lot to my today’s work.

A. serve                                B. have served

C. had served                           D. served

【回答】

D。根据语境, 现在是成功的经理, 所以做过五年服务员发生在过去, 故此空用一般过去时。

知识点：一般过去时及其被动式

题型：选择题