A: Hey, you're in my English class!
B: Yes, I am.
A: Did you buy the textbook yet?
B: No, it's really expensive.
A: How much is it?
B: The original price is over $200.
A: We could buy it from a former student.
B: We could also buy the used version.
A: That is a great idea!
B: I will give you the website to buy used books.
A: Thank you so much.
B: No problem at all.