他不是乘公共汽车,而是步行去上学

问题描述:

他不是乘公共汽车,而是步行去上学
他不是乘公共汽车,而是步行去上学

He goes to school on foot instead of taking a bus.或
He walks to school instead of taking a bus.
或He doesn't go to school by bus,but on foot.