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Activities are essential to build strong bones and muscles, burn off calories, and stay in ______ physically and mentally.

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Sitting too close to the Tv hurts your ________.

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To prevent ______, you should eat a lot of garlic and keep your body warm.

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Mary thinks she___ flu. She feels weak and tired.

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I ate some expired cakes 3 hours ago. Now my stomach hurts a lot. I think I have ________.

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I think you should stop drinking icing water. The doctor said that you had _______.

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If you want to keep fit, you should keep doing  _____ like jogging, cycling, or swimming every day.