lf you want to be healthy you should often to stay happy还是staying 或stay
问题描述：
lf you want to be healthy you should often to stay happy还是staying 或stay
答
应该是often stay happy吧。。不要to
答
is healthy of you
答
是stay
should后面用动词原形
祝你进步：）
答
stay
should 后跟动词原形
有问题尽管问我哟！i祝你学习进步，更上一层楼，快乐每一天！ (*^__^*)
答
stay 因为to表示应该怎么做 是目的 to表将来的目的 用原型 这不是should的作用
答
lf you want to be healthy you should often stay happy
答
stay healthy
should do sth应该做某事
答
lf you want to be healthy, you should often stay happy.