They had got everything ready before i arrived. After he had wor

They had got everything ready before i arrived. After he had wor

题目
They had got everything ready before i arrived. After he had worked in the factiry for ten years , he went abroad. 我想问一下 不说有个语法说有after或before这类明显表示时间的词不用完成时表示两个动作的前后吗?
答案
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.