do you know when _____ (begin) our work?

Do you know when the world expo ___(begin/began)? do you know ___(he)? Do you know when (meet) 七年级下册英语填空Do you know when your father ___ （be) born. do you know ___ when they meet?1 what they do2what do they do3whai they did4 what did they do Do you know the girl ___ red Do you know their ___(电子邮件) address? Do you know those ___(music)? Do you know Danny's ___?(weigh) you,know,was,when,basketball,invented,do When you do fall in love,do you know 句型转换Do you know where he lives?（同义句） Do you know ___ ___? 同义句转换：Do you know when we should start?Do you know when ( ) ( ) .--Do you know when he ___ back --Sorry ,I don”t .When he ___back ,I”ll tell you .A(comes.will come) B (will come ,comes) Do you know how to cook?同义句转换Do you know how to cook？改为同义句Do you know ___ ___ ___ ___? How high is Qmolangma?Do you know?(合并为一句) Do you know ___ ___ ___? Do you know how to go online?的同义句Do you know how to ___ ___ ___? what will you do when you ______(know) the way