The answer must be in spanish?
Answer:
Nosotros
Explanation:
Nosotros is masculine because of the os
Nosotras is feminine because of the as
un libro nuevo<span>a new book (masculine singular)dos libros nuev</span>ostwo new books (masculine plural) una mesa nueva<span>a new table (feminine singular)dos mesas nuev</span>as<span>two new tables (feminine plural)</span>