helpful与help有什么区别

helpful与help有什么区别 help 和helpful都是什么词 有什么区别 help us ,help we 有什么区别, 对什么有帮助 是be help for 还是be helpful for help yourself与please yourself有什么区别 the police here are helpful和police here are helpful有什么区别?选择题police和the police? help sb do sth=help sb to do 与help sb doing sth 有什么区别?ps:还有与help sb in doing sth的区别 help sb.do 与 help sb.to do 有什么区别 help in 与 help with 有乜区别? aid与help有何区别 help sb.to do sth 与help sb.doing sth.的区别?help sb.to do sth.与help sb.doing sth 还有help sb.do sth.有什么区别?请从用法,意义等方面讨论．谢谢． please help me 和help me please 有什么区别 help with和help for有什么区别例句说明 help to 和 help with 有什么区别? help sb to do sth 与 help sb with sth 有什么区别 help sb doing sth 在意思上又有什么不同？ help out与help区别? I think it helpful to do the housework和I think it is helpful to do the housework.有什么区别? help和helps有什么区别?急用