One day,I am cooking in the kitchen when the telephone rang.I went to answered it immediately.It was my friend,Betty.While they were talking on an phone,the fire alarm rang.I went back to the kitchen and found that the room filled with smoke.The beef was badly burnt.I quick turned on the gas,opening all the windows,and then went out of the house.To my surprise,two engine were outside my house.I told the firemen that it was my careless cooking which caused the heavy smoke.一共有九处错误的,一句是对的,