题目内容：

she was___(serve) in the kitcher when the light went out填什么为什么

优质解答

用进行时态
serve===serving

因为在灯熄灭的瞬间,她正在做的事情,所以用进行时态.

she was serving in the kitcher when the light went out
灯熄写时,她正在厨房准备上菜.