My job is clean the blackboard.We hope you to go to the park with us tomorrow.改错
题目
My job is clean the blackboard.We hope you to go to the park with us tomorrow.改错
答案
My job is TO clean the blackboard.We hope THAT you WILL go to the park with us tomorrow.
hope you to go to也对,但两个to有点别扭
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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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