in need/demand/require

in need/demand/require require need demand有 撒么区别? 辨析require ,request,demand need demand require 表示“需要”时,用________表主动,用_______表示被动. 有v+doing/to be done用法的除了require,demand,need,want之外还有什么? demand ,need? demand和require的区别 demand require request 怎么区分 近义词辨析英语require request demand; 请问demand与require有何区别 demand,request,require 三个词的区别 几个“要求”的区别require,request,demand