最常用的交通方式、三种最常用的上学方式用英语怎么说?

最常用的交通方式
The most commonly-used means of transportation
三种最常用的上学方式
The three most commonly-used means of transportation to go to school.

the most popular means of transportation绝对，对，老师讲的

The three most commonly-used means of transportation to go to school.

I walk to school. = I go to school on foot.
I take a bus to school. = I go to school by bus.
I ride a bike to school. = I go to school by bike.
I drive to school. = I go to school by car.
I fly to Beijing. = I go to Beijing by plane. = I go to Beijing by air.