A: What do you need? B: I need to use the Internet. A: You have your library card, right? B: Yes, I do. A: There is a wait right now to use the computers. B: That's fine. A: Would you please write your name on this list? B: Then what? A: I will call you when a computer is free. B: How do I log on to the computer? A: Use the number on the back of your library card. B: Thanks. I'll be sitting over there.