A : Good morning, Ms. Jaidee. How may I help you?
B : Hi, Dr. Pramoj. My tooth has been aching for the past two days.
A : Please take a seat. (17)
B : My jaw hurts and I had a slight headache. I (18) that my tooth might be rotting. I couldn't chew (19) , while eating.
A : From your description, (20) Please open your mouth. Let me take a closer look. Hmm.... The overall condition of your mouth is good. But your wisdom tooth is protruding horizontally. That might be the problem. (21)
19.
1. quickly
2. slowly
3. appropriately
4. properly