require doing 与need doing

require doing 与need doing Need / want / require/ deserve + doing want doing &need doing require to do 还是 require doing need doing 有v+doing/to be done用法的除了require,demand,need,want之外还有什么? require的用法是require sb doing sth,require sb do sth ,require s require加doing还是to do require to do 和 doing的区别 require与need的区别 need doing选择题 need doing 的用法