(1) Students visiting the library must obey these following... (2): 1. Students are not allowed to bring their (3) into the library. 2. Please whisper if you have to speak. (4) inside the library! 3. Do not leave any used paper and other rubbish behind! Always keep the library . (5). 1. a. Attention b. Notice c. Caution d. Announcement 2. a. notices c. statements b. instructions d. rules 3. a. personal belongings own books b. c. unnecessary things d. school bags 4. a. Do not make any loud noise b. Do not be noisy c. Do not talk​