How pleased the Emperor was ______ what the cheats said!
题目
How pleased the Emperor was ______ what the cheats said!
A.hearing B.to hear C.heard D.hear
我选C了怎么错了那,答案是B为什么那?
答案
若将题干还原成：The Emperor was pleased ______ what the cheats had said.这一陈述句,便会发现句中有be pleased to do这样一个句型,动词不定式在此充当原因状语.所以选择b不选择c~希望采取
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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