Question

Your yonger brother lives in hostrl.write a letter advising him/herto workhard for the annual exams.

Answer 1

I think u know the format
so I give subject here...

It is god that you are going to school regularly. But, the Annual Examination in near. You need to work hard to get a good result. This is very necessary for your bright future.
So concentrate on your studies and prepare fully for the Annual Examination.

I pray for your health and happiness.

Your loving brother,

X.Y.Z.