I brush my teeth twice a day

I brush my teeth twice a day I brush my teeth twice a day对twice提问 I brush my teeth twice every day 划 twice 提问 i brush my teeth twice a day 为什么要用teeth而不是tooth I brush teeth twice a day.对twice提问 I brush my teeth twice a day.(twice下划线)求划线提问 Jim_____(brush)his teeth twice a day T brush my teeth twice a day对twice a day 提问 My brother should brush teeth twice a day（.twice划线） i usually brush my teeth twice a day —————— 对划线部分提问 用brush l twice my a teeth day 连词成句 you should brush your teeth (twice) a day.提问