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1. Brushing your teeth is very important.
2. Hoa received a letter from her mother yesterday.
3. There is a small cavity in my tooth.
4. How often do you brush your teeth?
5. Are you scared of seeing the dentist?
6. I ironed clothes for my father yesterday.
7. How often do they go shopping?
8. I often wash and iron my own clothes.
9. Don't stay up late or eat too much candy.
10. I hate the sound of the drill.