When you go on a bus,or _____ a train everyone sits looking out of the windowA.in B.on 为什么

When you go on a bus,or _____ a train everyone sits looking out of the windowA.in B.on 为什么
When you go on a bus,or _____ a train everyone sits looking out of the window
A.in B.on 为什么

When you go on a bus,or _____ a train everyone sits looking out of the windowA.in B.on 为什么
take a train 坐火车
on a train 在火车上,跟on the bus一个道理

ride 、take