Question

Nosotros (cantar) el himno nacional

A). Estamos cantamos
B). Estamos cantiendo
C). Estando cantado
D). Estando cantando

Answer 1

D. Estando Cantando
D is the answer

Answer 2

ELLO MY OLD FRIEND

Answer by Mimiwhatsup: B: estamos cantando

They have to match no matter what.