I.

1. Nervous - kind

2. Worries - well

3. Wash

4. Fill

5. Toothache

6. Drinks - health

7. Matter - headache

8. Care

II.

1. Candy

2. Toothache

3. Dentist

4. A little

5. Surgery

6. Kind

7. Smiles

8. Cavities

9. Fill

10. Teeth

III.

1. Didn't do -  was - does

2. Felt - went - is

3. Waters - forgot

4. Will you see

5. Did you come - had

Minh often eats much (1) candy . So he gets a (2) toothache . He has to see a (3) dentist . He feels (4) a little scared. He is now siting in Dr. Mai's (5) surgery . She is very(6) kind . She (7) smiles at him and calms him. She says, '' Don't worry, Minh . You have two small (8) cavities . They aren't serious. I'll(9) fill them. The other ones are fine''. Then she fills the cavities in Minh's (10) teeth. He feels very happy. After that, she advises him how to take care of his teeth.