1. Cleaned
2. Studied
3. Have been
4. Taught
5. Have, been
6. Did, eat
7. Did not finish
8. Prepared
9. Didn’t
10. Have, met
Annihilate and decimate both mean to destroy something or someone, but annihilate means to destroy something as a whole, and at a bigger scale, while decimate doesn't have to mean destroying the whole thing.
Eradicate and massacre are both violent words with the intent to convey destruction, but eradicate is a more general term, as massacre is meant to simple destroy/kill a large group of people.
Answer:
She acts as a neutral character who sympathizes with both girls.
Explanation: