history: I was expecting a higher grade on my last exam, but unfortunately it was lower than I had hoped. I was expecting to get a better grade on my last exam_comma_ but alas it was lower than I had hoped. Oh no did you research what happened for it to be like that?
current: Yeah I made some silly mistakes in my answers. I should have studied a bit harder I suppose.
next: I believe you will do better next semester, cheer up buddy