They must ( ) ( )get to school early tomorrow.他们明天必须尽早到校

问题描述:

They must ( ) ( )get to school early tomorrow.他们明天必须尽早到校
填什么啊?
到底应该是什么呀?有没有人知道啊?

应该是try to do 尽力做某事.所以填try to