Answer:Dear father,
I hope you will be in the best of your health and spirits. I am also well here.
As you know,I joined a new school. I am very sincere to my studies. My examination is at hand. I have focussed my full attention to my studies. I am performing well in all my subjects. I am very regular to my classes. I do my homework regularly.I am missing you so much father.When will you be back home?Waiting eagerly for your arrival.Your loving daughter / son.
