She must brush her twice a day.对twice提问

I brush my teeth twice a day对twice提问 I brush teeth twice a day.对twice提问 T brush my teeth twice a day对twice a day 提问 you should brush your teeth (twice) a day.提问 she (comp)her hair twice a day We should brush our teeth twice every day.对划线部分提问（twice ever I brush my teeth twice every day 划 twice 提问 He swims twice a day.对twice提问 I brush my teeth twice a day.(twice下划线)求划线提问 She exerise twice a week 对 twice 提问 I brush my teeth twice a day Jim_____(brush)his teeth twice a day