英语happen句型造句
问题描述：
英语happen句型造句
用1、sth.happen(s) to sb.
2、It happen(s) that
3、sb.happens to be doing/to do三种句型各造些句子＜特别是第三个to be doing那个＞
关于第三个的doing句型是重点.....
答
1 what happened to you?
2 it happened that I was out when you rang me up.
3 I happened to be attending a meeting when you come to visit me.