根据所给中文提示填写单词的正确形式
How do students
around the world go to school? In North America, most students go to school {#blank#}1{#/blank#}(乘坐公交车).
Some students also {#blank#}2{#/blank#}(步行) or {#blank#}3{#/blank#}(骑自行车) to school. In Japan, most students
go to school {#blank#}4{#/blank#}(乘火车), although others also walk or ride their bikes. In China,
students have more choices. Most students like going to school {#blank#}5{#/blank#}(骑自行车). Some
students get to school {#blank#}6{#/blank#}(步行) if they live close to school. It's {#blank#}7{#/blank#}(最便宜的)
way. Some students take the underground if they live {#blank#}8{#/blank#}(最远地) from school. Most
students like taxis because they're {#blank#}9{#/blank#}(更安全) and faster. {#blank#}10{#/blank#}(乘出租车) is the {#blank#}11{#/blank#}(最舒服的) way but the {#blank#}12{#/blank#}(最贵的). Buses are not
popular, because they are {#blank#}13{#/blank#}(比较慢) and {#blank#}14{#/blank#}(比较拥挤). There are so many road accidents these days. We should be {#blank#}15{#/blank#}(小心)
all the time.