Mary received training in business English for three months, ____she found a job in a big foreign fi...
2022-12-24 16:32:38 182次 2013届北京市高三阶段考试（二）英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Mary received training in business English
for three months, ____she found a job in a big foreign firm.
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A．after that
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B．after which
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C．after it
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D．after when
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