when did you sleep last

when did you sleep last How did you sleep? When did you go to sleep?这句话对吗?还是When do you go to sleep?did和do该怎么用啊? did you sleep well last Did you sleep well last night?肯定回答为什么参考书答案是 yes,l do 而不是 l did. sleep asleep sleepy When did you go to_last night My grandmother fell_while listening to the radio 英文歌曲 where did you sleep last night How did you sleep?怎么翻译 How did you sleep?怎么翻译 where did you sleep last night When did you leave? When did you coneback? When did you fall( )(sleep)last night?我找不到出去的路=I couldn't( )( )( )( ） when you sleep和when you are sleepping when did you come back? when did you have it when did you go last when did you go last