A healthy diet is______for maintaining good overall health.A．essentialB．potentialC．regular

A healthy life is frequently thought to be _______

A healthy life is frequently thought to be _______

The physician_____ us a healthy diet and regular excises.

A healthy diet should contain all the necessary______.

Experts say swimming is one of the best ways for a personto _______healthy.A) deserve

Experts say that walking is one of the best ways for a person to______ healthy.A．preserveB