I study English by (talking) with foreign students
You must eat more vegetables and keep (healthy)
The doctor asked him to take the medicine (twice) a day
It is bad for our health (to eat) junk food too often （用法：It is a bad idea for sb.to do sth）
My mom wants me (to drink) milk every day （用法：want sb to do）
若有任何疑问可以【直接回复】或是【继续追问】或是【百度hi】我~尽量在最短的时间内回复~顺便【赞】一个~如果有新问题,请点击“求助知友”,重新提问 o(>_