he will be back one day or two还是a day or two为什么

he will be back tomorrow中的be he will be back one day or two还是a day or two为什么 how soon will he be back对吗 He will be back in four days in a day or two与in one day or two的区别?He will be back in a day or two为什么不能说He will be back in one day or two? He ___ back this evening.(will/will be) Will he back tomorrow?Will he be back tomorrow?哪一句对,为什么? l think he will be back soon.为什么不能写成 l think he will back soon . 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 I will be back one day I lost 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 My father is on business in shanghai .he will be back in________A one day or twoB one or two days我觉得AB 好象都right,explain~thanks im sure he will be back [ ] [ safe] soon He will be back in four days根据答句写问句 He will be back in four days .怎么问 he 【will be ,is 】back in five minutes. Do you know ----------he will be back.that或if, I think he will be back soon的同义句