6. We / need / calories / or / energy / do / things / every day.

We need calories or energy to do things every day.

7. Have / healthy / balanced / diet / be / important / part / maintain / good / health. 

Having a healthy and balanced diet is an important part to maintain good health.

8. Try/ eat / less / sweet / food / and / eat / more / fruit / vegetables. 

Try eating less sweet food and eat more fruits and vegetables.

9. Drink / lots / water / be / good / our health. 

Drink lots of water is good for our health.