[解析]
1.sad and bored 细节理解题.根据第一段they get on the bus,pay for it and sit or find a place to stand when it is crowded.Everyone seems sad and bored.可知每个人似乎都很不高兴很无聊,故填sad and bored.
2.watch a movie(movies)/see a film(film)细节理解题.根据第二段films are showed on the buses between cities for passengers to have fun along the journeys.可知人们可以看电影.故填watch a movie(movies)/see a film(film)
3.The sights and sound on the buses.细节理解题.根据第二段Even better than films and music are the sights and sounds on the buses.可知作者认为公交车上的情景比电影要好.故填The sights and sound on the buses.
4.animals.细节理解题.根据第三段It is common to see a happy dog's head getting out of somebody's bag or a lovely chicken"speaking cheerfully"under somebody's arm.Once on a bus in Peru,a farmer even tied a sheepto the top of the bus.可知公共汽车上各种动物让作者感到有趣,故填animals.
5.the bus journey 主旨大意题.根据文章内容However,taking the bus is just a necessary but boring part of life可知本文讲述的是拉丁美洲的公共汽车旅行的情况.故填the bus journey.