Bài cuối + bài chút bài trước bài cuối.

`Bài - cuối`:

1. Bush your teeth after meals
2. Don't play soccer in the street
3. Wash and iron your own clothes
4. Don't eat too much candy
5. Wash your hands before meals
6. Don't worry about the examination
7. Tidy your room every day.

8. Don't forget to write to your parents

How often does Minh brush his teeth

Why Simon is in a lot of pain

How did you felt after aeting that food

When did Nga go to see the dentist

Who will check your teeth 

How long did it take Dr. Phong to fill Van's tooth

Where is your brother going to

What did mr. Cuong do at 5.30 yesterday 

Who's letter did hoa receive 5 days ago

How many students are there in lien's class having toothache