El edificio es bonito
"Building" in Spanish is "edificio".
bonita
You can say "Eres bonita".
You can say "Ella es bonita".
mujer bonita
There is no direct translation for "pretty please". Simply say "Por Favor" (please).
You would say "guapa pero gorda".
You can say "Ella es muy bonita".
En que edificio estas?
You say it pretty much the same way you say it in English: xenofobia.
un bebe guapo/a
usted no es bonito