1. I eat …………………., exercise regularly, and keep up my social life. (health) 2. It is ………………… to maintain our health. (import) 3. Ask your doctor for tips or ……………….. to help you stop smoking. (treat) 4. Don’t worry! Your cold will last for a few days and then ……………. (appear) 5. To avoid being hurt, you should use the knives ……………….. (safe)

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