用所给词的适当形式填空。
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#}(较慢)and {#blank#}14{#/blank#}(较拥挤). There are so many road accidents these days. We should be {#blank#}15{#/blank#}(小心)all the time.