Caracas :))))))))))) sorry it needs to be 20 characters ahaha
the answer is A. Imperfecto progresivo.
The progressive imperfect is used to express something that was taking place in the past. It is formed using the verb to be in past (in this case: estaba) plus the verb ending in ing (ando, endo, in this case: cantando). It is mainly used for: on-going actions that were happening in the past.
Adios, hasta luego, lo siento, nos vemos
An example of two U.S. states, which when combined in size equal a land
area similar to that of Spain, might be Wyoming and Colorado. Spain's
overall land area is 505,990 kilometers squared, whilst the combined
land area of Wyoming (253,348 kilometers squared) and Colorado 269,837
kilometers squares) is 523,185 kilometers squared.
1) Voy a tener que alistarme.
2) Tengo que llevar comida.
3) Voy a tener que pasar a recojer a mi amiga.