when the boy playing by the river fell into the river ,I was out of the room ____.

问题描述:

when the boy playing by the river fell into the river ,I was out of the room ____.
A.in flash B.in a flash C.as a flash D.for a flash

B.in a flash
in a flash
基本翻译
瞬间;立刻
网络释义
In A Flash:转瞬 | 弹指之间 | 霍地