高一短文改错求助

高一短文改错求助
Dear Grandpa
Thank you for your letter.
My school is organizing a basketball team and
there's just a chance which I can join it.I'm little of76.
course,but terribly quick and bravely.While the others 77.
are jumping about in the air,I can run under my legs 78.
and get the ball.It will be lot of fun for practicing out79.
in the playground in the afternoon with the tree 80.
around us all red and yellow and everybody laughing81.
and shouting.These are the happier girls I've ever 82.
seen and I'm the happiest in all!83.
I meant to write long letter and tell you all the84.
things I'm doing at school,but the bell was ringing, 85.
so I just have to stop here