3. Dentist
4. b
5. B
6. C
7. C
8. D
9. B
10. C
I believe the answer to your question would be A. I hope that answered your question, my friend. :)
The root words are ers, ed, ing
Answer:
In explanation
Explanation:
Use complete sentences
Use proper grammar
Avoid slang
Hope this helped, and please mark as Brainliest <3