1. of
2. to
3. of
4. for
5. of
6. at
Ex2:
1. filled
2. I = > he/she (has )
3. didn't go
4. did | do | did
5. brush
I.
1. tooth ( teeth )
2. appointment
3. dentist
4. toothache
5. cavity
6. sorgern
7. problem
II.
2. What's the matter with Minh ? He has a headache.
3. What's wrong with Hoa ? She has a fever.
4. What's the matter with Nga ? She has a stomachache.
5. What's wrong with you ? I have a backache.