My proublem_100字

　　Since I went to the middle school, careless has always been my weak point. In the exam, I often lose many marks because of careless. At first,I can write down the correct answers of questions, but I can't in the end. In the words of my physics teacher 'you always work away from the correct answers.'Although the words are very funny, it is certainly right. I shoudcorrect this mistake, but what shoud I do for this. Can you help me.