happen to 和 chance的区别

happen to 和 chance的区别 happen to和happen at的区别： happen with和happen to的区别 chance/happen/seem/appear/pretend to do 求by accident,by chance,happen to之间用法上的不同. befall和happen to的区别是什么? happen to do和happen to be doing 的区别?顺便分别解释下.我问的是happen to be doing 不是happen to doing~ 问个关于happen的用法的问题.happen.不是happen to do sth.那么 碰巧去做,碰巧正做,和碰巧已做.是不是分别是happen to do,happen to doing,happen to have been? happen to 的用法 happen to sb和happen to do sth 造句并解释造的句子 is going to happen和will happen的区别VOA______(broadcast)ever since 1924 用happen to do和happen to sb.造句 happen to 与happen to have done 的区别是什么? happen on 和 happen to 有什么区别正确. happen to happen to happen to occur to和happen to的区别我们常见:It happen to sb.那么,It occur to sb和上面的那句有什么区别呢?请具体给我occur和happen的用法