Do you know when the world_______?
Do you know when the world_______?
Do you know when the Greens will
Do you know when the 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 when (meet)
A:When was the telephone invented,do you know?
Do you know when _______(start) for the trip?
Do you know when the Chinese Communist Party_____?(found)
do you know when and where the first republic__?
Do you know when the watch _____?------In 2001
( )Do you know when the Party was founded?______.