④玲玲在社区公告栏上看到一篇介绍“夜晚守护者”的文章。阅读短文，选择正确的答案。

()(1)Where do doctors and nurses work?
A. In the school. B. In the hospital. C. In the fire station.
()(2)What do bus drivers do at night?
A. Drive people home. B. Clean the streets.
C. Help sick people.
()(3)Who keeps the city safe at night?
A. Doctors. B. Nurses. C. Police officers.
()(4)What do taxi drivers do at night?
A. Drive people home. B. Drive buses.
C. Keep people safe.
()(5)What should we say to night workers?
A. Good night. B. Thank you. C. I'm great.

【解析】：我们对照短文中的内容逐一匹配选项即可得出答案：
1. 短文明确提到"In the hospital, doctors and nurses help sick people"，说明医生和护士的工作地点是医院，排除A学校、C消防站的错误选项。
2. 短文提到"On the streets, bus drivers drive people home"，可知公交车司机夜晚的工作是送人们回家，排除B打扫街道、C帮助病人的错误选项。
3. 短文提到"Police officers walk around to keep the city safe"，可知夜晚保障城市安全的是警察，排除A医生、B护士的错误选项。
4. 短文提到"Taxi drivers work at night, too. They take people home"，可知出租车司机夜晚的工作是送人们回家，对应A选项，排除B开公交车、C保障人们安全的错误选项。
5. 短文最后提到"We should say "Thank you" to them"，可知我们应该对夜间工作者说谢谢，排除A晚安、C我很棒的错误选项。
【答案】：(1)B (2)A (3)C (4)A (5)B