I was at a party a few weeks ago which was more exciting than I had expected it to be.这里ago
题目
I was at a party a few weeks ago which was more exciting than I had expected it to be.这里ago
后面为什么用which,最后的it后面为什么用to be
答案
which指代the party [a few weeks ago 是时间状语]
expect something to be...期望某事怎么样 固定用法
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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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