帮我看下下面这段英语有没有错误.I am very grateful to you for the invitation,but my body is not good,with a bad cold
题目
帮我看下下面这段英语有没有错误.I am very grateful to you for the invitation,but my body is not good,with a bad cold.So i probably not go with you.(题目是一个朋友邀请去玩,但是我去不了.)
答案
I am very grateful for your invitation.But I can't go with you because I'm ill with a flu now.
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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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