The doctor asked me to take the medicine and stay at home for two days ( )
题目
The doctor asked me to take the medicine and stay at home for two days ( )
A.so I did B.so did I
答案
应该选A
so I did 用于回答表示同意
so did I 用于表达自己也是如此
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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