where were you born为什么问是were答是was
题目
where were you born为什么问是were答是was
答案
you were 是 you are 的过去式
所以用were,答I,所以用was
he,she,it,I 都是was
they,you,we 都是were
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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