I have been to Beijing,but I have _____been to Washington.
题目
I have been to Beijing,but I have _____been to Washington.
I‘ve____finished my work and Iam watching TV now.Have you finished your work _______?
How many______have you been to Beijing?I've been there many times.
there are many modern buildings on ____sides of the street.
答案
never
already, yet
times
both
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