¿comprendiste?
read the letter javier's teacher has written to his parents. then, complete the following sentences:
1. javier saca
en ciencias.
2. javier siempre
_ en clase.
3. javier
la tarea todos los días.
4. javier
estudiar más.
5. javier
mucho en la clase.

The correct answer is
1. black death

a deadly plague that swept through europe between 1347 and 1351, it killed one third of european population, but the left food supply give chances to survivors for advancement.

and

2. smallpox

an eradicated virus that used to be contagious, disfiguring, and often deadly.