He tell me that wether he will go to the meeting or not has not been decided.这个句子有没有错?
题目
He tell me that wether he will go to the meeting or not has not been decided.这个句子有没有错?
答案
He tells me that whether he will go to the meeting has not been decided.
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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