do you know what（ ）（ cause）the traffic accident

what do you know Do you know what Do you know what? Do you know what they_______(代表）? what do you know是什么意思? Do you know ,what's - Do you know what he_____(do) now? If you know what will you do Do you know what I like you do you know what you said what you name Do you know me What places do you know?（10个） What can you do there? do you know what（ ）（ cause）the traffic accident do you know what they _____（read）动词填空 Do you know what they are? what’s this( )English?Do you know? do you know what things come from What do you know about Halloween?