题目内容：
When do they hope to begin advertising for staff7
A．when the new factory is almost finished B．before the senior board meeting
C．after the holiday period is over
参考答案：
答案解析：
单选题：When do they hope to begin advertising for staff7
- 题目分类：高级
- 题目类型：单选题
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B．before the senior board meeting
C．after the holiday period is over