How are you getting on with your speaking english?
题目
How are you getting on with your speaking english?
为什么不用How do you get on with your speaking english?
答案
How are you getting on是“习惯”用法,表示你最近正在做的事情进展如何,就像how are you一样
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
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