根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
A: 61 .
B: I think so. You see, many students are going into and coming out of that building. Most of them
are holding books or carrying schoolbags. Let’s go in and have a look.
A: 62 .
B: You really don’t have to worry about that. We can ask the assistants for help. Besides, you can
always find rules posted on the walls of the library.
A: 63 .
B: Sure, and it must be shown each time. We can also read newspapers and magazines in the
rooms there.
A: 64 .
B: Of course. That’s one of the purposes of the library.
A: 65 .
B: I guess since we’re both new on the campus, we have many questions. As a matter of fact, I
don’t know any more about this than you do. Let’s go in and find out.
A．Look, the students are very busy.
B．I’ve never been to a library; I don‘t know what to do.
C．Can we read our own books there?
D．Let’s ask the assistants who can help us.E. If we borrow books there, how long can we keep them?
F. That big building must be the library.
G. I hear we’ll be given a library card, with which we can borrow books.