How to brush your teeth

文章来源   Ho to brush your teeth? You should brush your teeth t ce a day. F rst, brush your teeth the ns de surface of you teeth. l ays move your brush n small c rcles. Ne t brush the outs de surface of your teeth. Then brush the b t ng surface of your teeth. fter that ash your mouth th ater. You should eat a lot of vegetable and fru t. You shouldn’t eat lots of chocolate and s eets. They are not good for you teeth. 文章来源

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