twice a day是否等于twice per day 能说twice every day

twice a day是否等于twice per day 能说twice every day twice a day twice a day 怎么读 twice a day 中文是什么意思 He swims twice a day.对twice提问 I brush teeth twice a day.对twice提问 He brushes his teeth twice a day .用twice提问 She must brush her twice a day.对twice提问 You should ( ) your ( ) twice a day Water the flower twice a day. she (comp)her hair twice a day Take the medicine twice a day. Tom b_____ his teeth twice a day. millie goes to the reading club twice a day.对twice a day提问 T brush my teeth twice a day对twice a day 提问 Dick takes his dog out twice a day对twice a day提问 twice a month 等于every___ ___ Americans eat ________ as they actually need every day.A) twice as much proteinB) twice protein as much twiceC) twice protein as muchD) protein as twice much