What you said just now___to do with the matter we are disscussing.
题目
What you said just now___to do with the matter we are disscussing.
A.have something B.has something C.had something D.was something
为什么选B
答案
What you said just now 是丛句,丛句在作主语时,看作是第3人称单数.
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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