Sure! Here’s how you could complete the sentences based on common phrases and structures:

1. Getting plenty of rest can help you avoid **fatigue**.
2. If you want to **concentrate** on your work, you should turn off your phone.
3. Eat less junk food, exercise more. It helps you to avoid **health issues** too.
4. The legend of Lac Long Quan and Au Co is a **myth**, isn’t it?
5. Being **independent** means you can live well by yourself.
6. We get **nutrition** from the food we eat.
7. Would you like to try the **cuisine** one day?
8. My brother loves junk food and he eats it all the time. Now he’s **gaining weight**.
9. Water is **essential** to living things.
10. I’m going on a **diet** to lose weight.
11. If she wants to improve her grades, she should pay more **attention** in class.

Feel free to adjust any of these completions based on the specific context or focus of your lesson!