After the Minister of Education had finished speaking at the press conferenc
题目
After the Minister of Education had finished speaking at the press conferenc
A.answer
B.answering
C.answered
D.to answer
答案
问题貌似不全啊,楼主~
不过这道题应该是选B,ing形式做伴随状语.
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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