When will he be back when will he come back When he came back 他什么时候回来,都是什么动态

When will he be back when will he come back When he came back 他什么时候回来,都是什么动态 When he will come back 这句话“i have no idea when he will be back这句话“i have no idea when he will be back ”这里为什么要用be 不直接when he will back 呢 he will be back tomorrow中的be When will the son be back? not only you but also i am anxious to know when he will be back When will Kangkang be back? he'll come back ___ten minutes A in B after c for how soon will he be back对吗 He will be back in four days No one knows when he will be backA.It is impossible knowing when he will be backB.There is no possible to know when he will be backC.There is no telling when he will be backD.Know when he will be back may not be possible I have no idea when he will be back速度点 高手进!when能不能换成whether? ----What time will Mr brown be back to China?----Sorry.I don't know________.A.when did he go abroad B.why he is going abroadC.how soon will he be back D.how long he will stay abroad He ___ back this evening.(will/will be) I have no idea when he will be back.是状语从句还是同位语从句,为什么? 三,1.I do not know ( )he will be back home.A,who B what C when Dwhere —____ will he be back?—In ten days.A.How soon B.How long C.How D.when l have no idea when he will be back这为什么是同位语从句?我觉得是定语从句. When will he get back to school?同义句When will he _____ _____ school帮个忙