英语作文,帮我改下语法时态,
题目
英语作文,帮我改下语法时态,
long long ago,there is a scholer.He fall in love with a girl,but dare not to express and worried to death at last.
中文大意
从前有个书生,他爱上了一个女孩,但是一直不敢表白,最后郁郁而终.
答案
long long ago,there was a scholar who fell in love with a girl,but he did not dare to express his love untill worrying to death.
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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