Question

Write a letter to your class teacher for leave of absence because of fever

Answer 1

take a look of your grammar book

Answer 2

from,
XYZ
school name
date

to,
XYZ
class teacher name

subject, asking leave for class teacher.

salutation,

respected sir/ miss I am student of your class xyz. and i need leave for two days
i wish you will provide me holiday for two days it is very urgent, and please don't refuse to give. thank you for your kindness.

thanking you,
your faithfully
xyz.