问题补充:
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:
A. has worked
B. had worked
C. was working
(答案→)D. worked
解析: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。