火灾会给人们带来 灾难,我们应该怎么阻止火灾的发生?请你用 英语作文 50到60字表达出来

Fire is very useful,It can give light and keep us warm.we can cook food with fire.But sometimes it can be very dangerous,we must be careful when we use fire.we mustn't drop the burning cigerette ends everywhere,we must remember to put out the barbecue fire when we leave,we mustn't play with fire.Fire is very useful and harmful,so we must be careful with it.