Answer:
11.)somos
12.)son
13.)eres
14.)soy
15.)es
16.) son
17.)es
18.)soy
19.)es
20.)soy
Explanation:
I didnt get this work alot but I try but this was confusing
The answer will be "Pelota".
<u>Abre </u><u>la </u><u>puerta </u>
I hope my answer helps you <3

Duermo is the answer because the first word is masculine so the ending of the verb is also masculine