The answer would be A.
Casa is house/home and it makes the most sense in this sentence :)
Have a good day!
Nosotros nos cepillamos los dientes.
Tu eras la primera persona en la clase ayer.
Yo puedo peinarme antes de cada clase.
That’s your answers
The answer is A.) tenemos que
It ask what time do you have library
and it says the library is at 1:20pm
so that would be the third one
its a quarter past