Ex3: 

1. Nam went to Hue with his father last summer vacation 

2. Remember to wash your hands before the meals

3. I felt better after dentist filled the cavity into my tooth

4. You should stay inside to recess 

5. the doctor will see you in a few minutes

Ex4:

1. Would you please open your mouth?

2. The nurse use the scale to weight me

3. The nurse takes my temperature first

4. I have to wait for the doctor for a few minutes

5. I had a terrible cold last week

6. she was absent from class because she had a headache

7. The cold last for a days and then will disappear

8. There is no cure for the common cold

~ 𝓒𝓱𝓲𝓵𝓵 𝔀𝓲𝓽𝓱 𝓶𝓮 ~