do you know when the first train _ in China?a:wdo you know when the first train _ in China?a:was produced B:is produced.c:produced.d:have produced

what will you do when you ______(know) the way Do you know when (meet) Do you know when the Chinese Communist Party_____?(found) Do you know when _______（start） for the trip? do you know when the a___will take off? Do you know when the world expo ___(begin/began)? do you know when _______(go)to the concert? Do you know when the train to leave?与Do you know the train when to leave? do you know the time when he left do you know the time when he live?要今天哦, When you think you know me,but you are the most do not understand do you know when the meeting begin?BLANK he comes backA if B when C until you,know,was,when,basketball,invented,do do you know when you have the flu 的同义句 how do you know when you have the flu是什么复合句 Miss you,when even breathing will feel the pain Do you know why. when did you father ____ the party do you know 用（join还是 joined ) Do you know the way? do you know the mean