who is the man speaking to your father just now?who is the man spoken just now?
题目
who is the man speaking to your father just now?who is the man spoken just now?
为什么第一个句子用speaking,第二个句子用的是spoken 两者的区别在哪里呢?
第二个句子是 who is the man spoken to just now
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
最新试题
热门考点