You are suffering from cold fever.Now write a letter to your school friends about your health condition.
Gazipur 20/02/2018 Dear Friends, I hope you are well by the grace of Allah.I am sick at this time.I am suffering from fever for some days.So I can,t go to school.Doctor tells me it will take time to recover.He gave me some medicines and suggested me to follow some rules.I will come school after get well. Pray to Allah for me. No more today with best wishes and good luck. Your loving friend M.A Mottalib