Answer:
It depends on how you use it but it will most likely be "el" like if you're saying "I just got a new phone on Monday" it will be "Acabo de recibir un nuevo teléfone el Lunes", in spanish.
Explanation:
Answer:
1.estas 2.esa 3.este 4. esos
Explanation:
It’s describing a library which would be La biblioteca
