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.

1.He cut off the electricty quickly to prevent an accident happening.
2.The old man was fast asleep holding a book in his hand.
3.He was run over by a car as crossing the road.
4. He couldn't understand the film not knowing English.

An accident was prevented with he cutting off the electricity quickly.
The old man holding a book in his hand was fast asleep.
When crossing the road , he was run over by a car .
Because of not kowning English,he couldn't understand the film.

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...