They discovered the cause of the fire accidentally.They discovered it_____(a)by chance (b)chancily (c)fortunately (d)luckily 见新概念二第53课多项选择题

分类: 作业答案 • 2022-02-18 13:38:11

问题描述：

They discovered the cause of the fire accidentally.They discovered it_____
(a)by chance (b)chancily (c)fortunately (d)luckily 见新概念二第53课多项选择题

答