直到音乐会结束了,我才回家
I __didn't___ go home __until___ ___the__ concerr was over
经常和人交谈会使你的普通话进步
Talking with people often can __improve___ your Putonghua
直到音乐会结束了,我才回家
I __didn't___ go home __until___ ___the__ concerr was over
经常和人交谈会使你的普通话进步
Talking with people often can __improve___ your Putonghua