问题
选择题
Jim who is now our English teacher once ________ as a manager in an international cooperation for 5 years.
A．has worked
B．had worked
C．was working
D．worked
答案
答案：D
题目分析：考查时态。本题抓住关键词once曾经，故用一般过去时，陈述过去的事实。句意：吉姆，曾经在一家国际公司担当5年经理，现在是我们英语老师。故D正确。