题目内容：
Mr. Brown had an unusual ( ): he was first an office clerk, then a sailor, andended up as a school teacher.
A. position
B. occupation
C. profession
D. career
参考答案：
选择题：Mr. Brown had an unusual ( ): he was first an of
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- 题目类型：选择题
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ended up as a school teacher.
A. position
B. occupation
C. profession
D. career