how long have you( it"s about ten years since we( ) a married,narried
题目
how long have you( it"s about ten years since we( ) a married,narried
b been married,were married c.got married,got married d.been married,got married
答案
D
前是状态,后是动作
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
热门考点