Would be able finish his home work,he would have come to class.
题目
Would be able finish his home work,he would have come to class.
请问为什么前一句用would?
if从句中如果有should,had或were,不是省略if,把这些词放在句首么?
答案
应该是虚拟语气的用法.
不过这句话有点奇怪,你没打错吧
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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