eat the right food and be healthy.为什么中间有be?这句话是什么意思?

问题描述:

eat the right food and be healthy.为什么中间有be?这句话是什么意思?

祈使句动词原形开头,AND 连接两个动词一致‘原形’ eat ,be ( 因为后面是形容词healthy ,所以用be)
吃正确的食物保持健康.能举个例子吗Take more exercise and be healthy .用be造句Take more exercise and be healthy .