问题描述：
yesterday morning I got up early___ be late for the exam.填 so as not to 从什么短语化用
yesterday morning I got up early___ be late for the exam .填so as not to 还是从什么短语化用过来的?
yesterday morning I got up early___ be late for the exam .填so as not to 还是从什么短语化用过来的?
问题解答：
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