homework— to finish or not to finish?

gahd idk. my science teacher is SO unpredictable. sometimes she checks homeworks, sometimes she doesn’t. and i hate it when i put so much effort doing my homework then the next day she won’t check it. and i hate it MORE when i didn’t bother to do my homework knowing that she won’t care to check it but then the next day she checks and even marks it. bummer.