I insist on his paying the debt和 I insisted on being paid th debt有区别
题目
I insist on his paying the debt和 I insisted on being paid th debt有区别
答案
当然有区别,
"insist on sb doing sth":坚持某人应做某事.
"insist on being done sth":坚信（自己）做过某事.
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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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