Do you know when Britain _______ war on Germany during the Second World War?—In 1993,I suppose.A.announced B.declared C.fought D.attended

Do you know when (meet) you,know,was,when,basketball,invented,do When you do fall in love,do you know 同义句转换：Do you know when we should start?Do you know when ( ) ( ) what will you do when you ______(know) the way When was your mother born Do you know (合并成一句)Do you know () your mother () ()? Do you know fish come of eggs when they are do you know when _____ (begin) our work? Do you know when the Chinese Communist Party_____?(found) Do you know when this organization came into ________(exist)? Do you know when your mother___(come,will come) do know start you to when 连词成句啊 Do you know when _______（start） for the trip? Do you know when ____(start)?Eight o'clock. do you know when the a___will take off? how do you know when it opens and ______(close) Do you know when Thanksgiving is的意思 补充:Do you know when...(5句）谢谢