_______he came ,the problem would be settled.
题目
_______he came ,the problem would be settled.
A Would B Should C.Shall D.If
为什么是选B,不是选其他比如D
答案
你既然知道考的是虚拟语气,干嘛还想选D呀?如果if引导,那就是状语从句,后面就要用would have been...了啦!
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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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