1. Mr. Lan is now wearing a face mask to protect from breathing in dust.

2. You had better not eat too many candies because they are not good for your teeth.

3. John left his house for school ten minutes ago.

4. I took some medicine to relieve the pain this morning.

5. You should not play too many computer games.

6. We can keep our body healthy by exercising regularly and eating properly.

7. We should take medical check-up twice a year.

8. Lan didn't come to school yesterday because she had a bad cold.

9. How heavy are you, Lan ? I'm 43 kilos.

10. Doing morning exercises is good for your health.

1. Mr. Lan is  wearing a face mask to protect from breathing in dust now.

2. You had better not eat too many candies because they are not good for your teeth.

3. John left his house for school ten minutes ago.

4. I took some medicine to relieve the pain this morning.

5. You should not play too many computer games.

6. We can keep our body healthy by exercising regularly and eating properly.

7. We should take medical check-up twice a year.

8. Lan didn't come to school yesterday because she had a bad cold.

9. How heavy are you, Lan ? I'm 43 kilos.

10. Doing morning exercises is good for your health.