Both.
It should be: La maestra está enferma.
and
Los estudiantes están enfermos.
Un is an a like he is a doctor in Spanish is el es UN doctor and the word “un” have an female that is una an example she is a nurse in Spanish is Ella es UNA doctora
Querer is a stem changing verb because when you conjugate it the "u" changes to "ie"
Hope that helps :D
Answer:
The right answer is, C. Día de la independencia.
Explanation:
Because July 4 is a holiday in the United States, since the signing of the act of indepence in which it is a country proclaims its separation from the British Empire.