do you have a blue-eyed and fair-haired teacher in you middle school其中哪里有错
题目
do you have a blue-eyed and fair-haired teacher in you middle school其中哪里有错
答案
eyed和haired都没必要加ed,还有you middle school应该是Your…….Do you have a teacher with blue eyes and fair hair in your middle school,你中学里有一个金发碧眼的老师吗?
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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