happen to do or happen doing?

happen to do or happen doing? sb.happen to do sth. 用happen to do和happen to sb.造句 We haven't heard from Jane for a long time. What do you suppose___her? A.was happening B.to happ...We haven't heard from Jane for a long time.What do you suppose___her?A.was happening B.to happen C.has happened D.having happened怎么做?尽量给详 what do you think will happen to historic places or buildings in the future?why 的翻译和回答 You haVe tO happ!neSs You have to happ!nes happen to do sth什么意思 chance/happen/seem/appear/pretend to do happen to do sth的汉语是什么? happened to do和‘happen to do ;区别? 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? 单词释义1.c___________the period of life when being a child2.p___________to make sth or sb ready to be used or to do sth3.c___________to make sth happen,especially sth bad or unpleasant4.p___________connected with modern popular music5.w_________ happen 有 sth happen to sb或者sb happen to do sth 那么occur同样的用法吗? 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~ happen to sb和happen to do sth 造句并解释造的句子 英语翻译If we like a particular pieces of news or not,all we have to do is sit in front of the TV and let it happen. happen to