Question

No Juan, no _________ mas cafe. Es malo para la salud.

Answer 1

No, Juan, no bebe mas cafe. Es malo por la salud  
bebe es el imperativo. You must use the 2nd person without the s

No Juan, don't drink more coffee. It's bad for the health

verb = beber 

presente
bebo
bebes
bebe
bebemos
bebeis  (with an accent on the i)
beben

imperativo
bebe (tu)
beba (el,ella, Ud)
bebamos (nosotros)
bebed (vosotros)
beban (ellos, ellas, Uds)

Answer 2

Perfect I checked them all and they seem 100%