Finally(时间状语),tired but happy(形容词作状语的用法,比如Tired and thirsty,they couldn't even move),they(主语) took(谓语) the bus(宾语) back to school(定语,修饰bus) 有问题还可以继续问我.
Finally(时间状语),tired but happy(形容词作状语的用法,比如Tired and thirsty, they couldn't even move),they(主语) took(谓语) the bus(宾语) back to school(定语,修饰bus) 有问题还可以继续问我.