To get good grades has nothing to do with only being good.
There are a few important steps you need to do.
good image for the teachers, but not later. Just do the first tasks and show them your teacher.
He will not care if you dont put your finger up or not after you already read out some tasks.
About the other half, he wil not care and he will be happy that the other persons got a chance.
if you can do some presentations about that theme.
I read through the entire post and I am left confused.