Did you go to bed late last night?Yes ,I did.I didn't go to bed (u )12o'clock

问题描述:

Did you go to bed late last night?Yes ,I did.I didn't go to bed (u )12o'clock

until,这是not...until的句式,意思就是你昨晚很晚才睡吗?是的,我直到12点才睡

until