补全对话：（每题1分，共5小题，共5分）
根据对话内容，从方框内的选项中选出能填入空白处的最佳选项，其中有两项多余。
A: Do you have a library at your school?
B: Yes , we do. .And we have two.       .
A: What are they ?
B: We have to keep quiet in the libraries.     . We can’t eat any food ,talk loudly or listen to music .
A: Oh, I know . We must keep quiet in the libraries .      .
B: No, we can’t. Don’t wear hats at school .
A: But why ?
B: Because it’s polite (礼貌的）to our teachers and classmates.    
A:     .
B: Yes. Everyone must follow the rules.
A: Oh, my god(天啊）! Ours is the same .

A: Can you wear hats in them? B: We have to put our schoolbags outside the libraries. C: We have a lot of rules for our school libraries. D: Do you have a new English teacher? E: And it’s our school rule . F: No, they aren’t libraries. G: Are the teachers in your school libraries strict with you?