用--ing分词改写句子
问题描述：
用--ing分词改写句子
He cut off the electricty quickly so that an accident was prevented.
The old man was fast asleep and held a book in his hand.
As he was crossing the road, he was run over by a car.
As he didn't know English, he couldn't understand the film.
答
1.He cut off the electricty quickly so that an accident was prevented.He cut off the electricty quickly, preventing an accident. --ing分词作结果状语2.The old man was fast asleep and held a book in his...