My doctor advised me to take the medicine t________ a day, in the morning and evening.
My doctor advised me to take the medicine t________ a day, in the morning and evening.
twice
【详解】
句意:医生建议我一天吃两次药,早晚各一次。根据句意及首字母提示可知,此处表示 “ 两次 ” ,可用 twice 表示,此处构成 “twice a day” 短语,翻译为 “ 一天两次 ” 。故填 twice 。