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Dear mun and dad,I am afraid I have some very bad news for you.My school master is very angry with me _____ I made a big mistake.The trouble started last night _____ I was smoking in bed._____I was smoking I heard footsteps.I didn't want my teacher to catch me smoking so I threw the cigarette away .Unluckily,it was_____a coincidence that the curtain nearby caught fire,too.I threw the quilt onto the fire _____ the fire should be put out,but the whole house caught fire at last.They phoned 119.The school was_____far from rhe town that_____ the firemen arrived,the whole school was in flames.The master said that the fire was all my fault and you must pay for the damage.I am very sorry about this.much love,Sarah.