Tengo una fiebre muy alta
fiebre reumatica (accent on the first 'a' in 'reumatica')
You say, ¿Cuán alto?
La escuela secundaria is high school in Spanish. Spanish(Mexico): Preparatoria
No muy buena is the best way to say "not very good" in Spanish.
Very similar in spanish: Mascota
Say "Muy delicioso!" (Very dilicious.)
98.6F is normal but anything above 100F is high but could be due to running, etc. A fever would be anything above 100F. A virus would cause this or a bacteria would produce a higher fever 102F and above.
hola = hi! alto/a = high
¿estoy muy bien y tu?
mucho
smooth
mucho