We should have breakfast every day to keep healthy.

我们应该每天吃早餐以保持健康。

We'd better follow the seven-step hand-washing method to keep healthy.

为了保持健康，我们最好遵循七步洗手法。

We are supposed to do exercise once or twice a day to keep healthy.

为了保持健康，我们应该每天锻炼一到两次。

Eat more roughage to keep healthy.

多吃些粗粮保持健康.

He wants to do sth to keep healthy .

他想采取措施来保持健康。

There ere many ways to keep healthy.

许多方法来保持健康。

Swimming can help people to keep healthy.

游泳可以使人保持健康。

Hence, let's learn to keep healthy body together.

所以我们来一起学习如何保护我们的健康。

What do you and you classmates do to keep healthy?

你和你的同学们是怎样来保持健康的?。

What are some things people can do to keep healthy?

为了保持健康人们能做些什么?