when do you begin ___（sing） for the foreign guests?

computer begin 来源Do you know when computers begin?英语 When you sing,you begin with Do,Re,Mi.When you study,you begin with（ ）. do you know when _____ (begin) our work? Do you know when the world expo ___(begin/began)? we were very worried when we didn‘t see Eric对very worried提问__ __ you when you didn't see Eric?After we had supper ,we began to do our homework.对After we had supper提问__ __ you __ begin to do your homework? They must remember when they __(begin). do you know when the meeting begin?BLANK he comes backA if B when C until when do you begin to do morning_____(read)?要写原因 When you sing ,you begin with Do ,Re,Mi.When you stady ,you begin with__________用适当的字母或其缩略形式完成句子填空.急用! How do you know when computers begin?如题.要英文.写错了，是Do you know when computers begin?要英文的文章！ Do you know when Columbus __(discover)America When do you __(reach,arrive)the station? 单项选择：Do you know()?-Tomorrow evening.A When the party begin B when did the party单项选择：Do you know()?-Tomorrow evening。A When the party begin B when did the party begin C When the party will begin D When will the party begin 我 Do you know when the world cup ( )next week --Next Friday ,when it ( ) ,I will call you.A:begins beginsB:begins will begin C:will begin ,begin D:will begin ,begins 请问when do you begin to study English.和 when did you begin to study English.哪个正确请具体说明谢 Do you know when computers begin?要英文回答,急!2、3句就行,好的加分! what ( )you( )(do)at two o'clock?when( )it( )(begin)to rain? when do you begin ___（sing） for the foreign guests?