题目内容：
Before I came to America, I __________as an executive secretary with a trading company for one year in Britain.选择一项：
A.
am working
B.
had worked
C.
has worked
参考答案：
选择题：Before I came to America, I __________as an execut
- 题目分类：国家开放大学商务英语3
- 题目类型：选择题
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选择一项：
A.
am working
B.
had worked
C.
has worked