While on a hiking trip, our cooks prepare delicious meals.
While listening to the radio, she fell asleep.
If asked to answer the question, please speak louder.
老师说状语从句主从句主语一致从句省略主谓,这三个句子都是吗?
可是第三个句子主语是什么呢
= If (you are) asked to answer the question, please speak louder.