The students went home from school after they cleaned the cl

The students went home from school after they cleaned the clsaaroom(同义)
The students__________home from school _______they _____the classroom.
didn'tgo until cleaned
didn'tgo until finishedcleaned
一人选一个我不知道哪个是正确的......
要改正didn'tgo until finishedcleaned
改为didn'tgo ;until ;finished clean
3楼这2个答案都我我想出来的,我是请教别人,