1. Son
2. Sois
3. Somos
4. Es
5. Soy
6. Sois
7. Son
8. Es
9. Es
10. Son
11. Eres
12. Es
13. Es
14. Son
15. Son
A) Subject
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The impersonal voice is a verb formation in which the subject is not specified
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The answer is A, seras since you needed to conjugate it for the noun tu
