what happeed to sb与what happened on sb有什么区别?昨天有个题给的答案用to,怎么一

what happeed to sb与what happened on sb有什么区别?昨天有个题给的答案用to,怎么一 what happened to sb和what's happened to sb区别 what happen to sb 还是 what happened to sb what doyou think happened to sb talk to sb. 与 speak to sb.有什么区别? 在表示给SB.的时候 TO SB 和FOR SB有什么区别 rely on sb doing sth.与rely on sb to do sth.有什么区别? point to sb与point at sb有什么区别? agree to sb与agree with sb有什么区别 what happen to sb. what's up ? sb.,用什么介词? 如：what‘s happended to sb. what's the what happened to you 和what has happened to you有什么区别