Answer:
The Aztecs were a fierce tribe of warriors who settled in the Valley of Mexico in the 13th century CE. They fought endless wars with neighboring tribes until they dominated most of Middle America. Like the Maya and Toltecs before them, they built spectacular cities.
Explanation:
La respuesta correcta es la B
Question 1: c) para describir acciones habituales del pasado
Question 2: d) estar
Question 3: b) era, nadaba
Question 4: a) ibamos
Question 5: b) sería
Question 6: a) Yo solía caminar cada día.
Question 7: d) Sara estaba enferma,
Question 8: c) We always used to study before the tests.
Question 9: b) iba, hacía
Question 10: d) Veníamos para casa y llovía.