-do you know ___ PSY will sing the song Gangnam Style at the concert/--I'm afraid not.A.whether B.that C.why D.when

-do you know ___ PSY will sing the song Gangnam Style at the concert/--I'm afraid not.A.whether B.that C.why D.when do you know ___(he)? 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) 句型转换Do you know where he lives?（同义句） Do you know ___ ___? 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 ___ ___ ___? Do you know ___ ___ ___ ____ ___ (他是否已经来过） Do you know what this means?=Do you know the ___ ___this word? Do you know where they are from?同义句 Do you know where___ ___ ____? Do you know the earth ___(go)around the sun? Do you know the name ___ Tom,s mother? Do you know the man ___ glasses(介词填空) Do you know where he ___(take)the box? 英语翻译You ___ ____ ____ know what ____ do next