The word fiesta in the second sentence is spelled wrong.
P.s im assuming that this is a school assignment so...for like an essay or something..
Dear Mrs./Mr. (name),
Something has came up at home, it is a personal issue. I would like to ask for permission to take a leave of absence for three days. While away i will try to make sure I finsh school assignments. But I will not be able to do zooms with the rest of the class. Thank you, Have a nice day.
Answer:
1) Nosotros estamos comiendo
2) Yo estoy abriendo la vantana
3) Mirta esta leyendo un libro
4) los estudiantes estan aprendiendo