1. Jog is good exercise for the elderly.
- Mistake: Jog
- Correction: Jogging

2. I have a headsore now.
- Mistake: headsore
- Correction: headache

3. Lack of exercise is harm to your health.
- Mistake: harm
- Correction: harmful

4. Should I eating tofu?
- Mistake: eating
- Correction: eat

5. If you eats a lot of sweets, you will have a toothache.
- Mistake: eats
- Correction: eat

6. Not stay up too late, Kim!
- Mistake: Not
- Correction: Don't

7. The colour indicates when the fruits is ripe.
- Mistake: fruits is
- Correction: fruit is

8. Cold weather results from chapped lips and skin.
- Mistake: from
- Correction: in

9. My mother usually cooks food with very few cooking oil.
- Mistake: few
- Correction: little

10. We should have a balance diet for a long life.
- Mistake: balance
- Correction: balanced