It is agreed that no one _______ until the police arrive on the scene.A) can leave B) leaves C) is
题目
It is agreed that no one _______ until the police arrive on the scene.A) can leave B) leaves C) is
答案
答案选B,形式主语句型,it is .that 后面的句子用一般句型,真正的主语是no one
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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