试题题干
Mary made coffee （ ） her guests were finishing their meal.
参考答案
正确答案：
试题解析
so that——以便；although——尽管；while——当......时候；as if——好像。结合句意可以确定表示“当.....时候”的while最符合句意，故选C。
句意：玛丽在客人就要吃完饭时煮了咖啡。
Mary made coffee （ ） her guests were finishing their meal.
so that——以便；although——尽管；while——当......时候；as if——好像。结合句意可以确定表示“当.....时候”的while最符合句意，故选C。
句意：玛丽在客人就要吃完饭时煮了咖啡。