Do you know when the plane< >
Do you know when the plane ()?
Do you know when the plane takes off?为什么不用将来时when the plane
Do you know when their plane leave Beijing?改错
Do you know _______ the plane takes off?
Do you know when the Greens will
Do you know when the world_______?
Do you know ( ) a new model plane?
what will you do when you ______(know) the way
Do you know when the train to leave?与Do you know the train w
Do you know what time the plane ______(leave)Hong Kong?
Do you know when (meet)
A:When was the telephone invented,do you know?