It's comunicas because the question is in the tu form.
You don't serve your family, or know them (because you already do).
Answer:
B) se lastimó
Explanation:
Susana tuvo un accidente y se lastimó el brazo.
Vivamos is the correct answer
Answer:
1. D) pupitre or it can C. hombre
Since all this question has to do with desk and etc.
2. D) indefinite articles
3. I'm not sure about this question, but I think Los mujeres
4.D) el quince de enero
5. B) un azul pupitre
Explanation:
Hope this helps :)
