题目内容
【题目】______ Mary was writing a letter to her husband, her kids were having fun in the garden.
A. In case B. If C. While D. Once
【答案】C
【解析】句意：在玛丽给她的丈夫写信时，她的孩子们正在花园里玩乐。此处用while引导时间状语从句，意为“在……时候”。
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题目内容
【题目】______ Mary was writing a letter to her husband, her kids were having fun in the garden.
A. In case B. If C. While D. Once
【答案】C
【解析】句意：在玛丽给她的丈夫写信时，她的孩子们正在花园里玩乐。此处用while引导时间状语从句，意为“在……时候”。