If you ————to peolpe,you would have more friends
题目
If you ————to peolpe,you would have more friends
If you ————(更友好)to peolpe,you would have more friends
答案
were more friendly 虚拟语气,be动词用过去式,好像是这样
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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