Wouldn't be Colombiana, that's feminine. The others would work so, not sure what's being asked
Secretaria perfecta. is the office yu want to visit
El lavatrastos o vajilla.
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>
