谈论公共场合的行为规范 — 英语词汇题

根据句意和首字母提示补全单词，每空一词。1. In the l______（图书馆），we should keep quiet. 2. Don't t______（扔）rubbish on the ground in the museum. 3. We should wait in l______（队伍）when we get on the bus. 4. It's polite to give your s______（座位）to old people on the subway. 5. Don't make any n______（噪音）in the hospital.