we let to the national gallery by the duide and visit the famous paintings there
题目
we let to the national gallery by the duide and visit the famous paintings there
改错
答案
we were led to the national gallery by the guide to see visit the famous paintings therelet 改为 were led 被带领duide 改为 guide 导游and visit 改为 to see 欣赏图画习惯用单词 see ,比如 see a painti...
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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