1. Los
2. La
Those are your answers hope that helped !
The answer would D: Aquellas cebras
I would say that the answer is 4) la
The noun in the sentence, pizarra, is a female noun (ends with a) and it is singular
En el piso de la sala hay ______ de muchos colores. B. Una Alfrombra
Yo deseo, yo espero is the most common answer