Our teacher always tell us 选什么 morn English in and our of class A.speak B.spoken C.to speak D.speaki
题目
Our teacher always tell us 选什么 morn English in and our of class A.speak B.spoken C.to speak D.speaking
答案
C 固定搭配:tell sb.to do sth.
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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