If you know how to do it
• 50 points.
• I will mark you brainless

Answer:
1 eres
2 es
3 son
4 es
5 somos
6 soy
7 somos
8 somos
9 es
10 son
Explanation:
Looking at the the verb ser and its conjugations you can see which one to use based on the people, person or group that it is about.