Do you know what they_______(代表)?
Do you know what they_______(代表)?
Do you know what
what do you know
Do you know what?
what do you know是什么意思?
do you know what time___
Do you know ,what's -
do you know what time_____?
Do you know what he (does)还是(do)
Do you know?What does he do?
Do you know what can he do?
what do you know与you know what