Buying Textbooks

After Listening You Can Read Folow

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.