dear arthur.
it has been three weeks sice(since) you go（went) to hospital.are you felt (feeling)any better now.all of us hope you can recover as soon as possibly(possible).how we miss the days that we eere(were) together
as you may know.we have just finished our mid term exam（exams).i am very happy to tell you that i made great progresses(progress) this time.i really appreciate you(your) timely help and encouragement from time to time.besides.the school sports metting would take place next friday and saturday.our class did really well in(去除in) last year and i am sure that we will get much (more)prizes this year if you are to join us.
we are looking forward to your coming back school.
best wishes