In the USA, the school bus is a popular way for children to get to school. There are about 480,0001school buses in the country. In 1939, yellow became(成为) the color of school buses2the color helped warn(警告)3cars. A yellow bus and black letters on it are easy to4in the early morning.
On the school bus,5can listen to music, talk6the phone or just sleep. But they7put things in the aisle(过道). They should keep their hands and arms in the bus. It is not a good idea to8to the bus driver, because he/she can't drive9when he/she is talking.
These days, school buses are more popular(受欢迎的) in China, too.
Wang Li, a student from Beijing Chaoyang Middle School,10a school bus to school since (自从) September. It11her about 40 minutes to get to school every morning. "It's12more interesting than13the subway, because you sit with your classmates.14it saves(节省) a lot of time. So we all15the school bus," the 12-year-old girl said.