1there is a shoe shop near my home（改为复数句）
题目
1there is a shoe shop near my home（改为复数句）
2my brother is old enough,so he can go to school（改为简单句) 3I don't often fly a kite on sunday 4I think my idea is so gond
答案
1.There are some shoe shops near my hong.2.My brother is enough old to go to school.第三四句要干吗?
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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