Nouns that end with O are usually Masculine.
Question:
What clue did the agency give to Jake and Summer?
a map
the museum
the zoo
an old red cat
Answer:
un mapa
el Museo
el zoológico
un viejo gato rojo
who was your best friend in elementary school?
1.The invention of books and paper
2.The Han dynasty created irrigation and water conservation projects to increase farming.
3.poems
4. Ink
5.sundial
6.signifiucant works of medicine
7.history , politics and philosophy.