题目内容
【题目】 One Friday, we were packing to leave for a weekend away __________ my daughter heard cries for help.
A. after B. while C. since D. when
【答案】D
【解析】句意:一个周五,我们正在打包裹动身去过周末,就在这时我女儿听到了呼
救声。表示“正在做某事…这时(突然)…,用be doing sth. when. …,所以D项正确。
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