drinking milk and doing exercise __our health

问题描述:

drinking milk and doing exercise __our health
A are good for B are good at C is good for Dis good at

选A.are good for
drinking milk和doing exercise分别是两件不同类别的事情,说这两件事情对身体健康有好处,因而要用are.be good for one's health,对健康有好处,如:GOOD FOR YOU.