My friends Lucy invited me to her party yesterday 改为被动语态
题目
My friends Lucy invited me to her party yesterday 改为被动语态
Jim is too weak to lift the heavy box 改为同意句
答案
I was invited by my friend Lucy to her party yesterday.
Jim is very weak,and cannot lift the heavy box
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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