题目内容：
- How long have you worked here? - _________
A. Since about two years. B. I do not know C. For about two years D. Who knows
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：
选择题：- How long have you worked here?- _________A. Since about two years. B. I do n
- 题目分类： 大学英语B级
- 题目类型：选择题
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