person A: In a week Fall semester will start and I have registered for my classes. I am fully prepared to tackle this semester with great achievements
person B: I wish you the best of luck_comma_ study hard and you'll do well!
person A: I hope too. I have a couple of hard classes like Calculus II. Hope it would not crash me
person B: I remember Calc II_comma_ it can be difficult_comma_ but if you practice it's not so bad.