John will arrive in Bejing in one hour.对in one hour 划线提问

问题描述:

John will arrive in Bejing in one hour.对in one hour 划线提问

John will arrive in Bejing in one hour.(对划线的in one hour提问)
How soon will John arrive in Beijing?
约翰还要多久到达北京?
how soon用来对将来要过多长时间提问.