英语六句的小故事,用个过去式就可以了
题目
英语六句的小故事,用个过去式就可以了
任意故事，只要不出语法错误就可以，
答案
A Good Boy Little Robert asked his mother for two cents."What did you do with the money I gave you yesterday?" "I gave it to a poor old woman," he answered."You're a good boy," said the mother proudly...
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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