377.People usually go up and down the tall buildings_____the lift.A.by B.in C.on D.with
问题描述:
377.People usually go up and down the tall buildings_____the lift.A.by B.in C.on D.with
答
选D.表示用.工具.by是指抽象的工具 .前不用任何冠词.in一般指用什么方法.with指用具体的工具,前用冠词.on不能用于表示工具.