he was about to chang his mind when an idea_to him
题目
he was about to chang his mind when an idea_to him
a occurred b had occured
c was occured d had been occured
答案
选 A
这里occure发生,和happen一样,是没有被动语态的,所以排除C和D
when引导的时间状语从句,时态必须一致,主句用过去时,从句也用过去时.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
- 食堂买来一桶油,每天用这桶油八分之一,六天用了这桶油的几分之几?还剩几分之几?
- 连词成句eleven,have,hats,for,dollars,each,we
- 地表一公里的变化对应经纬度如何变化?
- The shelf is ____the door .A.on B.in C.to D.behind
- 孙子兵法》成书于春秋末期,是我国古代流传下来的最早、最完整、最著名的军事著作,全书分为（ ）篇.
- 一些小学的古文,诗句题!
- 小嘎子和胖墩比赛摔跤这篇课文中
- 《凤求凰》全诗与其讲解.
- 求we are one 中文
- But you look fine and it is good to see you again.
热门考点