People were running in all directions ________ pieces of glass were falling down. A. while B. when C...
2023-01-07 21:34:26 70次 2014-2015学年江苏盐城鞍湖实验学校八年级下开学检测英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
People were running in all directions ________ pieces of glass were falling down.
A. while B. when C. as D. since
本题链接：
