根据录音，选择合适的词语填空。

A. slowly,    B. ways ,    C. by car,    D. traffic lights ,  E. by sled        F. by ferry,   G. on foot,    H. slow down,   I. by bus,    J. get on

    There are many to go to school. In Alaska, USA, it snows a lot. It's very cold. Some children go to school . It's very fast. They must let the dogs run . Some children in Jiangxi, China, go to school every day. Some kids in Shaoguan, Guangdong, go to school . They must the bus one by one. Of course, many children in China go to school . They must pay attention to the .