英语：在空白处填入适当的单词补全对话,每空一词（含缩写）
A:What are the library rules,Bruce?
B:Oh,(1)______(2)______to each other loudly in the library.Or other people will be angry.
A:Can I(3)_______(4)______music in it?
B:No,and we can't eat (5)______drink there.We must keep it(6)______.
A:Can I take any books(7)______of the library?
B:No.we must read them in the library.
A:What(8)______?
B:On rainy days,we have to(9)______our umbrellas(10)______the library.
A:Oh,I see.Thank you.
快!